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47496984 = 23312715583
BaseRepresentation
bin1011010100101…
…1111100011000
310022101002121120
42311023330120
544124400414
64414005240
71114501113
oct265137430
9108332546
1047496984
11248a1207
1213aa6820
139ac0032
14644557a
1542832a9
hex2d4bf18

47496984 has 32 divisors (see below), whose sum is σ = 119685120. Its totient is φ = 15706656.

The previous prime is 47496973. The next prime is 47496989. The reversal of 47496984 is 48969474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47496989) 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, 4744 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (3740160).

Almost surely, 247496984 is an apocalyptic number.

It is an amenable number.

47496984 is an abundant number, since it is smaller than the sum of its proper divisors (72188136).

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

47496984 is a wasteful number, since it uses less digits than its factorization.

47496984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15719 (or 15715 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 47496984 is about 6891.8055689347. The cubic root of 47496984 is about 362.1501569713.

The spelling of 47496984 in words is "forty-seven million, four hundred ninety-six thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 127 254 381 508 762 1016 1524 3048 15583 31166 46749 62332 93498 124664 186996 373992 1979041 3958082 5937123 7916164 11874246 15832328 23748492 47496984