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47047136 = 253074789
BaseRepresentation
bin1011001101111…
…0000111100000
310021112020112112
42303132013200
544021002021
64400214452
71110615443
oct263360740
9107466475
1047047136
1124614234
121390a428
139993356
14636965a
1541e4d5b
hex2cde1e0

47047136 has 24 divisors (see below), whose sum is σ = 92945160. Its totient is φ = 23442048.

The previous prime is 47047111. The next prime is 47047153. The reversal of 47047136 is 63174074.

It is a happy number.

47047136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7430 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (3872715).

Almost surely, 247047136 is an apocalyptic number.

It is an amenable number.

47047136 is a deficient number, since it is larger than the sum of its proper divisors (45898024).

47047136 is a wasteful number, since it uses less digits than its factorization.

47047136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 47047136 is about 6859.0914850292. The cubic root of 47047136 is about 361.0032099939.

The spelling of 47047136 in words is "forty-seven million, forty-seven thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 307 614 1228 2456 4789 4912 9578 9824 19156 38312 76624 153248 1470223 2940446 5880892 11761784 23523568 47047136