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537725920 = 25567103487
BaseRepresentation
bin100000000011010…
…000101111100000
31101110211022021211
4200003100233200
52100124212140
6125205155504
716216411024
oct4003205740
91343738254
10537725920
11256594496
121300bbb94
1387533824
14515b6384
153231b2ea
hex200d0be0

537725920 has 96 divisors (see below), whose sum is σ = 1304529408. Its totient is φ = 209392128.

The previous prime is 537725899. The next prime is 537725939. The reversal of 537725920 is 29527735.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103917 + ... + 1104403.

It is an arithmetic number, because the mean of its divisors is an integer number (13588848).

Almost surely, 2537725920 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 537725920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652264704).

537725920 is an abundant number, since it is smaller than the sum of its proper divisors (766803488).

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

537725920 is a wasteful number, since it uses less digits than its factorization.

537725920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 537725920 is about 23188.9180428928. The cubic root of 537725920 is about 813.1805649351.

The spelling of 537725920 in words is "five hundred thirty-seven million, seven hundred twenty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 67 80 103 134 160 206 268 335 412 487 515 536 670 824 974 1030 1072 1340 1648 1948 2060 2144 2435 2680 3296 3896 4120 4870 5360 6901 7792 8240 9740 10720 13802 15584 16480 19480 27604 32629 34505 38960 50161 55208 65258 69010 77920 100322 110416 130516 138020 163145 200644 220832 250805 261032 276040 326290 401288 501610 522064 552080 652580 802576 1003220 1044128 1104160 1305160 1605152 2006440 2610320 3360787 4012880 5220640 6721574 8025760 13443148 16803935 26886296 33607870 53772592 67215740 107545184 134431480 268862960 537725920