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872624064 = 26313226893
BaseRepresentation
bin110100000000110…
…010111111000000
32020210222220011210
4310000302333000
53241342432224
6222331210120
730424116324
oct6400627700
92223886153
10872624064
11408634414
122042a6940
1310ba2cc00
1483c71984
1551920429
hex34032fc0

872624064 has 84 divisors (see below), whose sum is σ = 2500173816. Its totient is φ = 268489728.

The previous prime is 872624057. The next prime is 872624083. The reversal of 872624064 is 460426278.

It is a super-2 number, since 2×8726240642 = 1522945514143752192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19002 + ... + 45894.

It is an arithmetic number, because the mean of its divisors is an integer number (29763974).

Almost surely, 2872624064 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 872624064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250086908).

872624064 is an abundant number, since it is smaller than the sum of its proper divisors (1627549752).

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

872624064 is a wasteful number, since it uses less digits than its factorization.

872624064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26934 (or 26911 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 872624064 is about 29540.2109674254. The cubic root of 872624064 is about 955.5990919490.

The spelling of 872624064 in words is "eight hundred seventy-two million, six hundred twenty-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 169 192 208 312 338 416 507 624 676 832 1014 1248 1352 2028 2496 2704 4056 5408 8112 10816 16224 26893 32448 53786 80679 107572 161358 215144 322716 349609 430288 645432 699218 860576 1048827 1290864 1398436 1721152 2097654 2581728 2796872 4195308 4544917 5163456 5593744 8390616 9089834 11187488 13634751 16781232 18179668 22374976 27269502 33562464 36359336 54539004 67124928 72718672 109078008 145437344 218156016 290874688 436312032 872624064