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572309929 = 4725092
BaseRepresentation
bin100010000111001…
…100000110101001
31110212220100122001
4202013030012221
52133002404204
6132442331001
720116361032
oct4207140651
91425810561
10572309929
11274065a14
1213b7b9a61
1391752139
1456019a89
153539d4a4
hex221cc1a9

572309929 has 9 divisors (see below), whose sum is σ = 585896887. Its totient is φ = 559032664.

The previous prime is 572309911. The next prime is 572309951. The reversal of 572309929 is 929903275.

The square root of 572309929 is 23923.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 465394329 + 106915600 = 21573^2 + 10340^2 .

It is not a de Polignac number, because 572309929 - 223 = 563921321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572309909) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1124127 + ... + 1124635.

Almost surely, 2572309929 is an apocalyptic number.

572309929 is the 23923-rd square number.

572309929 is the 11962-nd centered octagonal number.

It is an amenable number.

572309929 is a deficient number, since it is larger than the sum of its proper divisors (13586958).

572309929 is an frugal number, since it uses more digits than its factorization.

572309929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The cubic root of 572309929 is about 830.2529489842.

The spelling of 572309929 in words is "five hundred seventy-two million, three hundred nine thousand, nine hundred twenty-nine".

Divisors: 1 47 509 2209 23923 259081 1124381 12176807 572309929