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102148089 = 388338561
BaseRepresentation
bin1100001011010…
…10011111111001
321010012122211120
412011222133321
5202122214324
614045215453
72350146561
oct605523771
9233178746
10102148089
115272940a
122a261589
1318216474
14d7cdda1
158e7b179
hex616a7f9

102148089 has 8 divisors (see below), whose sum is σ = 136355232. Its totient is φ = 68019840.

The previous prime is 102148073. The next prime is 102148103. The reversal of 102148089 is 980841201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102148089 - 24 = 102148073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102148289) 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, 16632 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (17044404).

Almost surely, 2102148089 is an apocalyptic number.

It is an amenable number.

102148089 is a deficient number, since it is larger than the sum of its proper divisors (34207143).

102148089 is an equidigital number, since it uses as much as digits as its factorization.

102148089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39447.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 102148089 is about 10106.8337772024. The cubic root of 102148089 is about 467.4588813007.

The spelling of 102148089 in words is "one hundred two million, one hundred forty-eight thousand, eighty-nine".

Divisors: 1 3 883 2649 38561 115683 34049363 102148089