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557352372 = 22373636247
BaseRepresentation
bin100001001110001…
…000010110110100
31102211202102201110
4201032020112310
52120140233442
6131145555020
716545263013
oct4116102664
91384672643
10557352372
1126667a0a5
121367a5a70
138b615c05
1454044a7a
1533de669c
hex213885b4

557352372 has 24 divisors (see below), whose sum is σ = 1318305856. Its totient is φ = 183238848.

The previous prime is 557352371. The next prime is 557352377. The reversal of 557352372 is 273253755.

It is a self number, because there is not a number n which added to its sum of digits gives 557352372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557352371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317248 + ... + 318999.

Almost surely, 2557352372 is an apocalyptic number.

It is an amenable number.

557352372 is an abundant number, since it is smaller than the sum of its proper divisors (760953484).

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

557352372 is a wasteful number, since it uses less digits than its factorization.

557352372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636327 (or 636325 counting only the distinct ones).

The product of its digits is 220500, while the sum is 39.

The square root of 557352372 is about 23608.3115025196. The cubic root of 557352372 is about 822.9560037643.

The spelling of 557352372 in words is "five hundred fifty-seven million, three hundred fifty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 636247 1272494 1908741 2544988 3817482 7634964 46446031 92892062 139338093 185784124 278676186 557352372