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89944905 = 355996327
BaseRepresentation
bin1010101110001…
…11001101001001
320021020200012210
411113013031021
5141011214110
612531455333
72141343021
oct527071511
9207220183
1089944905
1146853a36
1226157549
1315832b4b
14bd34a81
157d6a520
hex55c7349

89944905 has 8 divisors (see below), whose sum is σ = 143911872. Its totient is φ = 47970608.

The previous prime is 89944903. The next prime is 89944931. The reversal of 89944905 is 50944998.

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 89944905 - 21 = 89944903 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89944901) 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, 2998149 + ... + 2998178.

It is an arithmetic number, because the mean of its divisors is an integer number (17988984).

Almost surely, 289944905 is an apocalyptic number.

It is an amenable number.

89944905 is a deficient number, since it is larger than the sum of its proper divisors (53966967).

89944905 is a wasteful number, since it uses less digits than its factorization.

89944905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996335.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 89944905 is about 9483.9287745111. The cubic root of 89944905 is about 448.0490104359.

The spelling of 89944905 in words is "eighty-nine million, nine hundred forty-four thousand, nine hundred five".

Divisors: 1 3 5 15 5996327 17988981 29981635 89944905