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1368474525 = 3252111929101
BaseRepresentation
bin101000110010001…
…0100001110011101
310112101000201010200
41101210110032131
510300312141100
6343443054113
745624561435
oct12144241635
93471021120
101368474525
11642517190
12322371339
1318a691352
14cda672c5
1580218e00
hex5191439d

1368474525 has 72 divisors (see below), whose sum is σ = 2814745440. Its totient is φ = 628560000.

The previous prime is 1368474521. The next prime is 1368474587. The reversal of 1368474525 is 5254748631.

It is not a de Polignac number, because 1368474525 - 22 = 1368474521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368474521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32475 + ... + 61575.

Almost surely, 21368474525 is an apocalyptic number.

1368474525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1368474525 is an abundant number, since it is smaller than the sum of its proper divisors (1446270915).

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

1368474525 is a wasteful number, since it uses less digits than its factorization.

1368474525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29147 (or 29139 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 1368474525 is about 36992.8983049450. The cubic root of 1368474525 is about 1110.2281610358.

It can be divided in two parts, 13684 and 74525, that added together give a square (88209 = 2972).

The spelling of 1368474525 in words is "one billion, three hundred sixty-eight million, four hundred seventy-four thousand, five hundred twenty-five".

Divisors: 1 3 5 9 11 15 19 25 33 45 55 57 75 95 99 165 171 209 225 275 285 475 495 627 825 855 1045 1425 1881 2475 3135 4275 5225 9405 15675 29101 47025 87303 145505 261909 320111 436515 552919 727525 960333 1309545 1600555 1658757 2182575 2764595 2880999 4801665 4976271 6082109 6547725 8002775 8293785 13822975 14404995 18246327 24008325 24881355 30410545 41468925 54738981 72024975 91231635 124406775 152052725 273694905 456158175 1368474525