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472172870 = 25135961561
BaseRepresentation
bin11100001001001…
…100100101000110
31012220110212102002
4130021030211012
51431334012440
6114504145302
714462255201
oct3411144506
91186425362
10472172870
11222590514
12112168232
1376a91140
14469d0938
152b6bd115
hex1c24c946

472172870 has 32 divisors (see below), whose sum is σ = 930817440. Its totient is φ = 171383040.

The previous prime is 472172861. The next prime is 472172887. The reversal of 472172870 is 78271274.

It is a happy number.

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, 23111 + ... + 38450.

It is an arithmetic number, because the mean of its divisors is an integer number (29088045).

Almost surely, 2472172870 is an apocalyptic number.

472172870 is a deficient number, since it is larger than the sum of its proper divisors (458644570).

472172870 is a wasteful number, since it uses less digits than its factorization.

472172870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61640.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 472172870 is about 21729.5391115412. The cubic root of 472172870 is about 778.6943255683.

The spelling of 472172870 in words is "four hundred seventy-two million, one hundred seventy-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 59 65 118 130 295 590 767 1534 3835 7670 61561 123122 307805 615610 800293 1600586 3632099 4001465 7264198 8002930 18160495 36320990 47217287 94434574 236086435 472172870