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47224372 = 22137112791
BaseRepresentation
bin1011010000100…
…1011000110100
310021212020122211
42310021120310
544042134442
64404103204
71112254246
oct264113064
9107766584
1047224372
1124725408
1213994b04
139a25c20
1463b4096
15422c617
hex2d09634

47224372 has 24 divisors (see below), whose sum is σ = 90260352. Its totient is φ = 21487200.

The previous prime is 47224369. The next prime is 47224381. The reversal of 47224372 is 27342274.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (3760848).

Almost surely, 247224372 is an apocalyptic number.

It is an amenable number.

47224372 is a deficient number, since it is larger than the sum of its proper divisors (43035980).

47224372 is a wasteful number, since it uses less digits than its factorization.

47224372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879 (or 12877 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 47224372 is about 6871.9991268917. Note that the first 3 decimals coincide. The cubic root of 47224372 is about 361.4559657674.

The spelling of 47224372 in words is "forty-seven million, two hundred twenty-four thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 71 142 284 923 1846 3692 12791 25582 51164 166283 332566 665132 908161 1816322 3632644 11806093 23612186 47224372