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472739252 = 22389303817
BaseRepresentation
bin11100001011010…
…110110110110100
31012221112122100012
4130023112312310
51432010124002
6114524235352
714500134356
oct3413266664
91187478305
10472739252
11222937aa7
1211239bb58
1376c2bb8b
1446adb0d6
152b780d52
hex1c2d6db4

472739252 has 12 divisors (see below), whose sum is σ = 829423140. Its totient is φ = 235761216.

The previous prime is 472739233. The next prime is 472739257. The reversal of 472739252 is 252937274.

It can be written as a sum of positive squares in 2 ways, for example, as 207244816 + 265494436 = 14396^2 + 16294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472739257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150353 + ... + 153464.

It is an arithmetic number, because the mean of its divisors is an integer number (69118595).

Almost surely, 2472739252 is an apocalyptic number.

It is an amenable number.

472739252 is a deficient number, since it is larger than the sum of its proper divisors (356683888).

472739252 is a wasteful number, since it uses less digits than its factorization.

472739252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304210 (or 304208 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 472739252 is about 21742.5677416445. The cubic root of 472739252 is about 779.0055549575.

The spelling of 472739252 in words is "four hundred seventy-two million, seven hundred thirty-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 389 778 1556 303817 607634 1215268 118184813 236369626 472739252