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89973669 = 3212914087
BaseRepresentation
bin1010101110011…
…10001110100101
320021022010200010
411113032032211
5141013124134
612532240433
72141522622
oct527161645
9207263603
1089973669
1146873605
1226170119
1315842c76
14bd41349
157d73ce9
hex55ce3a5

89973669 has 8 divisors (see below), whose sum is σ = 120029760. Its totient is φ = 59950016.

The previous prime is 89973661. The next prime is 89973691. The reversal of 89973669 is 96637998.

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 89973669 - 23 = 89973661 is a prime.

It is a super-2 number, since 2×899736692 = 16190522226643122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89973661) 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, 657 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (15003720).

Almost surely, 289973669 is an apocalyptic number.

It is an amenable number.

89973669 is a deficient number, since it is larger than the sum of its proper divisors (30056091).

89973669 is a wasteful number, since it uses less digits than its factorization.

89973669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16219.

The product of its digits is 4408992, while the sum is 57.

The square root of 89973669 is about 9485.4451134356. The cubic root of 89973669 is about 448.0967667380.

The spelling of 89973669 in words is "eighty-nine million, nine hundred seventy-three thousand, six hundred sixty-nine".

Divisors: 1 3 2129 6387 14087 42261 29991223 89973669