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47207272 = 237842987
BaseRepresentation
bin1011010000010…
…1001101101000
310021211101012111
42310011031220
544041113042
64403452104
71112153350
oct264051550
9107741174
1047207272
1124713582
1213987034
139a1b1c8
1463abb60
154227517
hex2d05368

47207272 has 16 divisors (see below), whose sum is σ = 101158560. Its totient is φ = 20231664.

The previous prime is 47207263. The next prime is 47207311. The reversal of 47207272 is 27270274.

47207272 is a modest number, since divided by 7272 gives 4720 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421438 + ... + 421549.

It is an arithmetic number, because the mean of its divisors is an integer number (6322410).

Almost surely, 247207272 is an apocalyptic number.

It is an amenable number.

47207272 is an abundant number, since it is smaller than the sum of its proper divisors (53951288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47207272 is a wasteful number, since it uses less digits than its factorization.

47207272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843000 (or 842996 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 47207272 is about 6870.7548348053. The cubic root of 47207272 is about 361.4123326253.

The spelling of 47207272 in words is "forty-seven million, two hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 842987 1685974 3371948 5900909 6743896 11801818 23603636 47207272