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47054994 = 2372295519
BaseRepresentation
bin1011001110000…
…0000010010010
310021112122022120
42303200002102
544021224434
64400315110
71110650400
oct263400222
9107478276
1047054994
112461a128
1213912a96
139996abc
14636c470
1541e7349
hex2ce0092

47054994 has 48 divisors (see below), whose sum is σ = 113270400. Its totient is φ = 12978336.

The previous prime is 47054989. The next prime is 47054999. The reversal of 47054994 is 49945074.

It is an interprime number because it is at equal distance from previous prime (47054989) and next prime (47054999).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (47054999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5767 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (2359800).

Almost surely, 247054994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47054994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56635200).

47054994 is an abundant number, since it is smaller than the sum of its proper divisors (66215406).

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

47054994 is a wasteful number, since it uses less digits than its factorization.

47054994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567 (or 5560 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 47054994 is about 6859.6642774993. The cubic root of 47054994 is about 361.0233076062.

The spelling of 47054994 in words is "forty-seven million, fifty-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 29 42 49 58 87 98 147 174 203 294 406 609 1218 1421 2842 4263 5519 8526 11038 16557 33114 38633 77266 115899 160051 231798 270431 320102 480153 540862 811293 960306 1120357 1622586 2240714 3361071 6722142 7842499 15684998 23527497 47054994