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1485040864 = 25315632659
BaseRepresentation
bin101100010000011…
…1110110011100000
310211111100220002111
41120200332303200
511020132301424
6403205325104
751541432126
oct13040766340
93744326074
101485040864
116a22a31aa
12355406794
131a8885408
1410132b916
158a592194
hex5883ece0

1485040864 has 48 divisors (see below), whose sum is σ = 3024483840. Its totient is φ = 717022080.

The previous prime is 1485040841. The next prime is 1485040871. The reversal of 1485040864 is 4680405841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557167 + ... + 559825.

It is an arithmetic number, because the mean of its divisors is an integer number (63010080).

Almost surely, 21485040864 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 1485040864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512241920).

1485040864 is an abundant number, since it is smaller than the sum of its proper divisors (1539442976).

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

1485040864 is a wasteful number, since it uses less digits than its factorization.

1485040864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 1485040864 is about 38536.2279420288. The cubic root of 1485040864 is about 1140.8962030381.

The spelling of 1485040864 in words is "one billion, four hundred eighty-five million, forty thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 563 992 1126 2252 2659 4504 5318 9008 10636 17453 18016 21272 34906 42544 69812 82429 85088 139624 164858 279248 329716 558496 659432 1318864 1497017 2637728 2994034 5988068 11976136 23952272 46407527 47904544 92815054 185630108 371260216 742520432 1485040864