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103255405 = 5111998809
BaseRepresentation
bin1100010011110…
…00110101101101
321012021220210021
412021320311231
5202413133110
614125042141
72362441111
oct611706555
9235256707
10103255405
1153315350
122a6b6351
1318513496
14d9db741
1590e92da
hex6278d6d

103255405 has 16 divisors (see below), whose sum is σ = 142286400. Its totient is φ = 71141760.

The previous prime is 103255391. The next prime is 103255429. The reversal of 103255405 is 504552301.

It is not a de Polignac number, because 103255405 - 223 = 94866797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103255405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48360 + ... + 50449.

It is an arithmetic number, because the mean of its divisors is an integer number (8892900).

Almost surely, 2103255405 is an apocalyptic number.

It is an amenable number.

103255405 is a deficient number, since it is larger than the sum of its proper divisors (39030995).

103255405 is a wasteful number, since it uses less digits than its factorization.

103255405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98844.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 103255405 is about 10161.4666756330. The cubic root of 103255405 is about 469.1419458420.

The spelling of 103255405 in words is "one hundred three million, two hundred fifty-five thousand, four hundred five".

Divisors: 1 5 11 19 55 95 209 1045 98809 494045 1086899 1877371 5434495 9386855 20651081 103255405