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612361230 = 2351373137157
BaseRepresentation
bin100100011111111…
…110010000001110
31120200021011200120
4210133332100032
52223231024410
6140433005410
721113661465
oct4437762016
91520234616
10612361230
11294731068
121510b3866
1399b36130
145b4839dc
1538b60570
hex247fe40e

612361230 has 128 divisors (see below), whose sum is σ = 1626403968. Its totient is φ = 146644992.

The previous prime is 612361229. The next prime is 612361231. The reversal of 612361230 is 32163216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (612361229) and next prime (612361231).

It is a super-2 number, since 2×6123612302 = 749972552014225800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 612361230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612361231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3900312 + ... + 3900468.

It is an arithmetic number, because the mean of its divisors is an integer number (12706281).

Almost surely, 2612361230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612361230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813201984).

612361230 is an abundant number, since it is smaller than the sum of its proper divisors (1014042738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612361230 is a wasteful number, since it uses less digits than its factorization.

612361230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 612361230 is about 24745.9336053421. The cubic root of 612361230 is about 849.1854850205.

The spelling of 612361230 in words is "six hundred twelve million, three hundred sixty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 73 78 130 137 146 157 195 219 274 314 365 390 411 438 471 685 730 785 822 942 949 1095 1370 1570 1781 1898 2041 2055 2190 2355 2847 3562 4082 4110 4710 4745 5343 5694 6123 8905 9490 10001 10205 10686 11461 12246 14235 17810 20002 20410 21509 22922 26715 28470 30003 30615 34383 43018 50005 53430 57305 60006 61230 64527 68766 100010 107545 114610 129054 130013 148993 150015 171915 215090 260026 279617 297986 300030 322635 343830 390039 446979 559234 645270 650065 744965 780078 838851 893958 1300130 1398085 1489930 1570157 1677702 1950195 2234895 2796170 3140314 3900390 4194255 4469790 4710471 7850785 8388510 9420942 15701570 20412041 23552355 40824082 47104710 61236123 102060205 122472246 204120410 306180615 612361230