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47347492 = 2259319961
BaseRepresentation
bin1011010010011…
…1011100100100
310022002111112211
42310213130210
544110104432
64410453204
71113306223
oct264473444
9108074484
1047347492
11247a9965
1213a34204
139a69c8a
146406cba
154253d47
hex2d27724

47347492 has 12 divisors (see below), whose sum is σ = 83001996. Its totient is φ = 23632640.

The previous prime is 47347483. The next prime is 47347513. The reversal of 47347492 is 29474374.

47347492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37650496 + 9696996 = 6136^2 + 3114^2 .

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, 7609 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (6916833).

Almost surely, 247347492 is an apocalyptic number.

It is an amenable number.

47347492 is a deficient number, since it is larger than the sum of its proper divisors (35654504).

47347492 is a wasteful number, since it uses less digits than its factorization.

47347492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20558 (or 20556 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 47347492 is about 6880.9513877080. The cubic root of 47347492 is about 361.7698138787.

The spelling of 47347492 in words is "forty-seven million, three hundred forty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 593 1186 2372 19961 39922 79844 11836873 23673746 47347492