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115072002 = 234710321
BaseRepresentation
bin1101101101111…
…01110000000010
322000112021010000
412312331300002
5213424301002
615230220430
72565044613
oct666756002
9260467100
10115072002
1159a56331
1232654716
131aabcb56
14113d5c0a
15a18061c
hex6dbdc02

115072002 has 20 divisors (see below), whose sum is σ = 257846886. Its totient is φ = 38357280.

The previous prime is 115071991. The next prime is 115072003. The reversal of 115072002 is 200270511.

It can be written as a sum of positive squares in only one way, i.e., 68409441 + 46662561 = 8271^2 + 6831^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115072003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 354999 + ... + 355322.

Almost surely, 2115072002 is an apocalyptic number.

115072002 is an abundant number, since it is smaller than the sum of its proper divisors (142774884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115072002 is an equidigital number, since it uses as much as digits as its factorization.

115072002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710335 (or 710326 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 115072002 is about 10727.1618800128. The cubic root of 115072002 is about 486.3958822844.

The spelling of 115072002 in words is "one hundred fifteen million, seventy-two thousand, two".

Divisors: 1 2 3 6 9 18 27 54 81 162 710321 1420642 2130963 4261926 6392889 12785778 19178667 38357334 57536001 115072002