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47642492 = 2241449647
BaseRepresentation
bin1011010110111…
…1011101111100
310022122111012202
42311233131330
544144024432
64421051032
71115645252
oct265573574
9108574182
1047642492
1124990567
1213b56a78
139b41331
1464825d2
1542b1462
hex2d6f77c

47642492 has 24 divisors (see below), whose sum is σ = 85730400. Its totient is φ = 23152640.

The previous prime is 47642489. The next prime is 47642503. The reversal of 47642492 is 29424674.

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, 73313 + ... + 73959.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 247642492 is an apocalyptic number.

It is an amenable number.

47642492 is a deficient number, since it is larger than the sum of its proper divisors (38087908).

47642492 is a wasteful number, since it uses less digits than its factorization.

47642492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 47642492 is about 6902.3540911779. The cubic root of 47642492 is about 362.5195981477.

The spelling of 47642492 in words is "forty-seven million, six hundred forty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 41 82 164 449 647 898 1294 1796 2588 18409 26527 36818 53054 73636 106108 290503 581006 1162012 11910623 23821246 47642492