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89463031 = 723555671
BaseRepresentation
bin1010101010100…
…01100011110111
320020100012012121
411111101203313
5140400304111
612513300411
72134265110
oct525214367
9206305177
1089463031
1146554999
1225b64707
13156c4708
14bc4b207
157cc2871
hex55518f7

89463031 has 8 divisors (see below), whose sum is σ = 106689024. Its totient is φ = 73348440.

The previous prime is 89463029. The next prime is 89463071. The reversal of 89463031 is 13036498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89463031 - 21 = 89463029 is a prime.

It is a super-2 number, since 2×894630312 = 16007267831413922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89463071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277675 + ... + 277996.

It is an arithmetic number, because the mean of its divisors is an integer number (13336128).

Almost surely, 289463031 is an apocalyptic number.

89463031 is a deficient number, since it is larger than the sum of its proper divisors (17225993).

89463031 is a wasteful number, since it uses less digits than its factorization.

89463031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555701.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 89463031 is about 9458.4898900406. The cubic root of 89463031 is about 447.2474461043.

The spelling of 89463031 in words is "eighty-nine million, four hundred sixty-three thousand, thirty-one".

Divisors: 1 7 23 161 555671 3889697 12780433 89463031