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47394772 = 2243713881
BaseRepresentation
bin1011010011001…
…0111111010100
310022011220101221
42310302333110
544113113042
64411500124
71113564115
oct264627724
9108156357
1047394772
1124831437
1213a57644
139a85659
14641a20c
154262d67
hex2d32fd4

47394772 has 24 divisors (see below), whose sum is σ = 86087232. Its totient is φ = 22814400.

The previous prime is 47394769. The next prime is 47394803. The reversal of 47394772 is 27749374.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10272 + ... + 14152.

It is an arithmetic number, because the mean of its divisors is an integer number (3586968).

Almost surely, 247394772 is an apocalyptic number.

It is an amenable number.

47394772 is a deficient number, since it is larger than the sum of its proper divisors (38692460).

47394772 is a wasteful number, since it uses less digits than its factorization.

47394772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3997 counting only the distinct ones).

The product of its digits is 296352, while the sum is 43.

The square root of 47394772 is about 6884.3861018975. The cubic root of 47394772 is about 361.8901918606.

The spelling of 47394772 in words is "forty-seven million, three hundred ninety-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 43 71 86 142 172 284 3053 3881 6106 7762 12212 15524 166883 275551 333766 551102 667532 1102204 11848693 23697386 47394772