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47940924 = 22323173699
BaseRepresentation
bin1011011011100…
…0010100111100
310100012122120210
42312320110330
544233102144
64431312420
71121330313
oct266702474
9110178523
1047940924
11250747a9
121407b710
139c17115
14651d27a
15431eab9
hex2db853c

47940924 has 24 divisors (see below), whose sum is σ = 116726400. Its totient is φ = 15285424.

The previous prime is 47940923. The next prime is 47940967. The reversal of 47940924 is 42904974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47940923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86574 + ... + 87125.

It is an arithmetic number, because the mean of its divisors is an integer number (4863600).

Almost surely, 247940924 is an apocalyptic number.

It is an amenable number.

47940924 is an abundant number, since it is smaller than the sum of its proper divisors (68785476).

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

47940924 is a wasteful number, since it uses less digits than its factorization.

47940924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173729 (or 173727 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47940924 is about 6923.9384745967. The cubic root of 47940924 is about 363.2749626138.

The spelling of 47940924 in words is "forty-seven million, nine hundred forty thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 173699 347398 521097 694796 1042194 2084388 3995077 7990154 11985231 15980308 23970462 47940924