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1064039988 = 2231143187463
BaseRepresentation
bin111111011010111…
…111011000110100
32202011011211110110
4333122333120310
54134343234423
6253330023020
735240122254
oct7732773064
92664154413
101064039988
114a6693aa0
12258417a70
1313c59cc7b
14a145b964
1563631193
hex3f6bf634

1064039988 has 48 divisors (see below), whose sum is σ = 2771467776. Its totient is φ = 314936160.

The previous prime is 1064039987. The next prime is 1064040011. The reversal of 1064039988 is 8899304601.

It is a super-2 number, since 2×10640399882 = 2264362192126080288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064039987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88056 + ... + 99407.

It is an arithmetic number, because the mean of its divisors is an integer number (57738912).

Almost surely, 21064039988 is an apocalyptic number.

It is an amenable number.

1064039988 is an abundant number, since it is smaller than the sum of its proper divisors (1707427788).

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

1064039988 is a wasteful number, since it uses less digits than its factorization.

1064039988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187524 (or 187522 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1064039988 is about 32619.6258102388. The cubic root of 1064039988 is about 1020.9065335568.

The spelling of 1064039988 in words is "one billion, sixty-four million, thirty-nine thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 187463 374926 562389 749852 1124778 2062093 2249556 4124186 6186279 8060909 8248372 12372558 16121818 24182727 24745116 32243636 48365454 88669999 96730908 177339998 266009997 354679996 532019994 1064039988