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89691754 = 2169326489
BaseRepresentation
bin1010101100010…
…01011001101010
320020202210221211
411112021121222
5140430114004
612522223334
72136236665
oct526113152
9206683854
1089691754
11466a0819
1226054b4a
1315774859
14bcaa6dc
157d1a504
hex558966a

89691754 has 8 divisors (see below), whose sum is σ = 134622180. Its totient is φ = 44817696.

The previous prime is 89691739. The next prime is 89691803. The reversal of 89691754 is 45719698.

It can be written as a sum of positive squares in 2 ways, for example, as 86062729 + 3629025 = 9277^2 + 1905^2 .

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

It is a super-2 number, since 2×896917542 = 16089221471193032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89691698 and 89691707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9859 + ... + 16630.

Almost surely, 289691754 is an apocalyptic number.

89691754 is a deficient number, since it is larger than the sum of its proper divisors (44930426).

89691754 is a wasteful number, since it uses less digits than its factorization.

89691754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28184.

The product of its digits is 544320, while the sum is 49.

The square root of 89691754 is about 9470.5730555231. The cubic root of 89691754 is about 447.6282690466.

The spelling of 89691754 in words is "eighty-nine million, six hundred ninety-one thousand, seven hundred fifty-four".

Divisors: 1 2 1693 3386 26489 52978 44845877 89691754