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557125344 = 25331394639
BaseRepresentation
bin100001001101010…
…000111011100000
31102211022220022000
4201031100323200
52120111002334
6131141044000
716543326066
oct4115207340
91384286260
10557125344
11266534576
121366b6600
138b566789
1453dc6036
1533d9e299
hex21350ee0

557125344 has 96 divisors (see below), whose sum is σ = 1636992000. Its totient is φ = 184332672.

The previous prime is 557125339. The next prime is 557125363. The reversal of 557125344 is 443521755.

557125344 is a `hidden beast` number, since 55 + 71 + 2 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 557125299 and 557125308.

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, 117777 + ... + 122415.

It is an arithmetic number, because the mean of its divisors is an integer number (17052000).

Almost surely, 2557125344 is an apocalyptic number.

557125344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557125344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818496000).

557125344 is an abundant number, since it is smaller than the sum of its proper divisors (1079866656).

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

557125344 is a wasteful number, since it uses less digits than its factorization.

557125344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797 (or 4783 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 557125344 is about 23603.5027908995. The cubic root of 557125344 is about 822.8442495500.

The spelling of 557125344 in words is "five hundred fifty-seven million, one hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 139 144 216 278 288 417 432 556 834 864 1112 1251 1668 2224 2502 3336 3753 4448 4639 5004 6672 7506 9278 10008 13344 13917 15012 18556 20016 27834 30024 37112 40032 41751 55668 60048 74224 83502 111336 120096 125253 148448 167004 222672 250506 334008 445344 501012 644821 668016 1002024 1289642 1336032 1934463 2004048 2579284 3868926 4008096 5158568 5803389 7737852 10317136 11606778 15475704 17410167 20634272 23213556 30951408 34820334 46427112 61902816 69640668 92854224 139281336 185708448 278562672 557125344