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115344489 = 3134876073
BaseRepresentation
bin1101110000000…
…00010001101001
322001001002220010
412320000101221
5214012010424
615240122133
72600261211
oct670002151
9261032803
10115344489
115a122027
1232766349
131ab86ba0
1411467241
15a1d6229
hex6e00469

115344489 has 16 divisors (see below), whose sum is σ = 165990272. Its totient is φ = 70823808.

The previous prime is 115344461. The next prime is 115344491. The reversal of 115344489 is 984443511.

It is not a de Polignac number, because 115344489 - 25 = 115344457 is a prime.

It is a super-2 number, since 2×1153444892 = 26608702285342242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115344409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15957 + ... + 22029.

It is an arithmetic number, because the mean of its divisors is an integer number (10374392).

Almost surely, 2115344489 is an apocalyptic number.

It is an amenable number.

115344489 is a deficient number, since it is larger than the sum of its proper divisors (50645783).

115344489 is a wasteful number, since it uses less digits than its factorization.

115344489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576.

The product of its digits is 69120, while the sum is 39.

The square root of 115344489 is about 10739.8551666212. The cubic root of 115344489 is about 486.7795031934.

The spelling of 115344489 in words is "one hundred fifteen million, three hundred forty-four thousand, four hundred eighty-nine".

Divisors: 1 3 13 39 487 1461 6073 6331 18219 18993 78949 236847 2957551 8872653 38448163 115344489