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103139804 = 2225784951
BaseRepresentation
bin1100010010111…
…00100111011100
321012002001012202
412021130213130
5202400433204
614122351032
72361450065
oct611344734
9235061182
10103139804
1153246509
122a65b478
13184a2991
14d9ab56c
1590c4e1e
hex625c9dc

103139804 has 6 divisors (see below), whose sum is σ = 180494664. Its totient is φ = 51569900.

The previous prime is 103139801. The next prime is 103139819. The reversal of 103139804 is 408931301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103139801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12892472 + ... + 12892479.

It is an arithmetic number, because the mean of its divisors is an integer number (30082444).

Almost surely, 2103139804 is an apocalyptic number.

It is an amenable number.

103139804 is a deficient number, since it is larger than the sum of its proper divisors (77354860).

103139804 is a wasteful number, since it uses less digits than its factorization.

103139804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25784955 (or 25784953 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 103139804 is about 10155.7768782107. The cubic root of 103139804 is about 468.9668023716.

The spelling of 103139804 in words is "one hundred three million, one hundred thirty-nine thousand, eight hundred four".

Divisors: 1 2 4 25784951 51569902 103139804