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89390257974 = 2324966125443
BaseRepresentation
bin101001101000000010…
…0110001011100110110
322112201202112121022100
41103100010301130312
52431032401223344
6105022035242530
76313113441003
oct1232004613466
9275652477270
1089390257974
1134a01519966
12153a8749446
1385776c5394
14447dd3a8aa
1524d2a87569
hex14d0131736

89390257974 has 12 divisors (see below), whose sum is σ = 193678892316. Its totient is φ = 29796752652.

The previous prime is 89390257951. The next prime is 89390257991. The reversal of 89390257974 is 47975209398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2483062704 + ... + 2483062739.

It is an arithmetic number, because the mean of its divisors is an integer number (16139907693).

Almost surely, 289390257974 is an apocalyptic number.

89390257974 is an abundant number, since it is smaller than the sum of its proper divisors (104288634342).

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

89390257974 is a wasteful number, since it uses less digits than its factorization.

89390257974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966125451 (or 4966125448 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 89390257974 in words is "eighty-nine billion, three hundred ninety million, two hundred fifty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 4966125443 9932250886 14898376329 29796752658 44695128987 89390257974