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89117901 = 343135491
BaseRepresentation
bin1010100111111…
…01010011001101
320012200122210000
411103331103031
5140303233101
612502034513
72131326645
oct523752315
9205618700
1089117901
1146339664
1225a18a39
13156035b2
14bb9b525
157c55486
hex54fd4cd

89117901 has 20 divisors (see below), whose sum is σ = 137425024. Its totient is φ = 57493800.

The previous prime is 89117891. The next prime is 89117921. The reversal of 89117901 is 10971198.

It is not a de Polignac number, because 89117901 - 27 = 89117773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89117921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15235 + ... + 20256.

Almost surely, 289117901 is an apocalyptic number.

89117901 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

89117901 is a deficient number, since it is larger than the sum of its proper divisors (48307123).

89117901 is a wasteful number, since it uses less digits than its factorization.

89117901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35534 (or 35525 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 89117901 is about 9440.2278044547. The cubic root of 89117901 is about 446.6715753402.

The spelling of 89117901 in words is "eighty-nine million, one hundred seventeen thousand, nine hundred one".

Divisors: 1 3 9 27 31 81 93 279 837 2511 35491 106473 319419 958257 1100221 2874771 3300663 9901989 29705967 89117901