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552107157 = 37223612677
BaseRepresentation
bin100000111010000…
…111110010010101
31102110212221122020
4200322013302111
52112314412112
6130441323353
716452555600
oct4072076225
91373787566
10552107157
11263717308
12134a96559
138a4ca634
145347b337
153370c48c
hex20e87c95

552107157 has 48 divisors (see below), whose sum is σ = 908548992. Its totient is φ = 296714880.

The previous prime is 552107137. The next prime is 552107161. The reversal of 552107157 is 751701255.

It is not a de Polignac number, because 552107157 - 27 = 552107029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552107137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204903 + ... + 207579.

It is an arithmetic number, because the mean of its divisors is an integer number (18928104).

Almost surely, 2552107157 is an apocalyptic number.

It is an amenable number.

552107157 is a deficient number, since it is larger than the sum of its proper divisors (356441835).

552107157 is a wasteful number, since it uses less digits than its factorization.

552107157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 552107157 is about 23496.9605906807. The cubic root of 552107157 is about 820.3662636051.

The spelling of 552107157 in words is "five hundred fifty-two million, one hundred seven thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 23 49 61 69 147 161 183 427 483 1127 1281 1403 2677 2989 3381 4209 8031 8967 9821 18739 29463 56217 61571 68747 131173 163297 184713 206241 393519 430997 489891 1143079 1292991 3016979 3429237 3755831 8001553 9050937 11267493 24004659 26290817 78872451 184035719 552107157