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472838939 = 2931525961
BaseRepresentation
bin11100001011101…
…111001100011011
31012221201201002022
4130023233030123
51432021321224
6114530325055
714501031116
oct3413571433
91187651068
10472838939
112229a5991
1211242978b
1376c65371
1446b2557d
152b7a065e
hex1c2ef31b

472838939 has 8 divisors (see below), whose sum is σ = 504923520. Its totient is φ = 441806400.

The previous prime is 472838897. The next prime is 472838963. The reversal of 472838939 is 939838274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472838939 - 28 = 472838683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472838039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262082 + ... + 263879.

It is an arithmetic number, because the mean of its divisors is an integer number (63115440).

Almost surely, 2472838939 is an apocalyptic number.

472838939 is a deficient number, since it is larger than the sum of its proper divisors (32084581).

472838939 is a wasteful number, since it uses less digits than its factorization.

472838939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526021.

The product of its digits is 2612736, while the sum is 53.

The square root of 472838939 is about 21744.8600593336. The cubic root of 472838939 is about 779.0603076699.

The spelling of 472838939 in words is "four hundred seventy-two million, eight hundred thirty-eight thousand, nine hundred thirty-nine".

Divisors: 1 29 31 899 525961 15252869 16304791 472838939