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72084099 = 371338423
BaseRepresentation
bin1000100101111…
…10101010000011
312000122020210110
410102332222003
5121423142344
611053002403
71533463503
oct422765203
9160566713
1072084099
113776493a
1220183403
1311c1b319
149805a03
1564dd3b9
hex44bea83

72084099 has 8 divisors (see below), whose sum is σ = 97466112. Its totient is φ = 47379080.

The previous prime is 72084079. The next prime is 72084107. The reversal of 72084099 is 99048027.

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 72084099 - 212 = 72080003 is a prime.

It is a super-2 number, since 2×720840992 = 10392234657283602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72084059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168999 + ... + 169424.

It is an arithmetic number, because the mean of its divisors is an integer number (12183264).

Almost surely, 272084099 is an apocalyptic number.

72084099 is a deficient number, since it is larger than the sum of its proper divisors (25382013).

72084099 is a wasteful number, since it uses less digits than its factorization.

72084099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338497.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 72084099 is about 8490.2355091010. The cubic root of 72084099 is about 416.1786765585.

The spelling of 72084099 in words is "seventy-two million, eighty-four thousand, ninety-nine".

Divisors: 1 3 71 213 338423 1015269 24028033 72084099