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47964438 = 2322664691
BaseRepresentation
bin1011011011111…
…0000100010110
310100020211211200
42312332010112
544234330223
64432013330
71121456004
oct266760426
9110224750
1047964438
1125090435
1214091246
139c24a32
146527a74
154326a43
hex2dbe116

47964438 has 12 divisors (see below), whose sum is σ = 103922988. Its totient is φ = 15988140.

The previous prime is 47964437. The next prime is 47964439. The reversal of 47964438 is 83446974.

It is an interprime number because it is at equal distance from previous prime (47964437) and next prime (47964439).

It is a junction number, because it is equal to n+sod(n) for n = 47964393 and 47964402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47964437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332328 + ... + 1332363.

It is an arithmetic number, because the mean of its divisors is an integer number (8660249).

Almost surely, 247964438 is an apocalyptic number.

47964438 is an abundant number, since it is smaller than the sum of its proper divisors (55958550).

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

47964438 is a wasteful number, since it uses less digits than its factorization.

47964438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664699 (or 2664696 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47964438 is about 6925.6362884575. The cubic root of 47964438 is about 363.3343457780.

The spelling of 47964438 in words is "forty-seven million, nine hundred sixty-four thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 2664691 5329382 7994073 15988146 23982219 47964438