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68014452 = 223111947577
BaseRepresentation
bin1000000110111…
…01000101110100
311201222111021210
410003131011310
5114402430302
610425441420
71454053602
oct403350564
9151874253
1068014452
11354352a0
121a940270
1311124b4c
149066872
155e8766c
hex40dd174

68014452 has 96 divisors (see below), whose sum is σ = 186439680. Its totient is φ = 19077120.

The previous prime is 68014411. The next prime is 68014459. The reversal of 68014452 is 25441086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68014459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117588 + ... + 118164.

It is an arithmetic number, because the mean of its divisors is an integer number (1942080).

Almost surely, 268014452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68014452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93219840).

68014452 is an abundant number, since it is smaller than the sum of its proper divisors (118425228).

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

68014452 is a wasteful number, since it uses less digits than its factorization.

68014452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 68014452 is about 8247.0874858946. The cubic root of 68014452 is about 408.1944238688.

The spelling of 68014452 in words is "sixty-eight million, fourteen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 47 57 66 76 94 114 132 141 188 209 228 282 418 517 564 577 627 836 893 1034 1154 1254 1551 1731 1786 2068 2308 2508 2679 3102 3462 3572 5358 6204 6347 6924 9823 10716 10963 12694 19041 19646 21926 25388 27119 29469 32889 38082 39292 43852 54238 58938 65778 76164 81357 108476 117876 120593 131556 162714 241186 298309 325428 361779 482372 515261 596618 723558 894927 1030522 1193236 1447116 1545783 1789854 2061044 3091566 3579708 5667871 6183132 11335742 17003613 22671484 34007226 68014452