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89047974 = 23373293
BaseRepresentation
bin1010100111011…
…00001110100110
320012120002212010
411103230032212
5140244013344
612500335050
72130616041
oct523541646
9205502763
1089047974
11462a1074
12259a4486
13155aa812
14bb7dc58
157c3e8b9
hex54ec3a6

89047974 has 32 divisors (see below), whose sum is σ = 183667680. Its totient is φ = 28781856.

The previous prime is 89047957. The next prime is 89047979. The reversal of 89047974 is 47974098.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89047979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303772 + ... + 304064.

It is an arithmetic number, because the mean of its divisors is an integer number (5739615).

Almost surely, 289047974 is an apocalyptic number.

89047974 is an abundant number, since it is smaller than the sum of its proper divisors (94619706).

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

89047974 is an equidigital number, since it uses as much as digits as its factorization.

89047974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 89047974 is about 9436.5234064246. The cubic root of 89047974 is about 446.5547167522.

The spelling of 89047974 in words is "eighty-nine million, forty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 37 74 111 222 293 586 879 1369 1758 2738 4107 8214 10841 21682 32523 50653 65046 101306 151959 303918 401117 802234 1203351 2406702 14841329 29682658 44523987 89047974