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103145132 = 2243599681
BaseRepresentation
bin1100010010111…
…01111010101100
321012002022112002
412021131322230
5202401121012
614122431432
72361501446
oct611357254
9235068462
10103145132
115324a512
122a662578
13184a522c
14d9ad496
1590c67c2
hex625deac

103145132 has 12 divisors (see below), whose sum is σ = 184702056. Its totient is φ = 50373120.

The previous prime is 103145123. The next prime is 103145149. The reversal of 103145132 is 231541301.

It is a super-3 number, since 3×1031451323 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299669 + ... + 300012.

It is an arithmetic number, because the mean of its divisors is an integer number (15391838).

Almost surely, 2103145132 is an apocalyptic number.

It is an amenable number.

103145132 is a deficient number, since it is larger than the sum of its proper divisors (81556924).

103145132 is a wasteful number, since it uses less digits than its factorization.

103145132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599728 (or 599726 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103145132 is about 10156.0391885813. The cubic root of 103145132 is about 468.9748775344.

Adding to 103145132 its reverse (231541301), we get a palindrome (334686433).

The spelling of 103145132 in words is "one hundred three million, one hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 599681 1199362 2398724 25786283 51572566 103145132