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103255121 = 163633467
BaseRepresentation
bin1100010011110…
…00110001010001
321012021220101202
412021320301101
5202413130441
614125040545
72362440224
oct611706121
9235256352
10103255121
1153315112
122a6b6155
1318513308
14d9db5bb
1590e919b
hex6278c51

103255121 has 4 divisors (see below), whose sum is σ = 103888752. Its totient is φ = 102621492.

The previous prime is 103255081. The next prime is 103255129. The reversal of 103255121 is 121552301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121552301 = 139350177.

It is a cyclic number.

It is not a de Polignac number, because 103255121 - 26 = 103255057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103255093 and 103255102.

It is not an unprimeable number, because it can be changed into a prime (103255129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316571 + ... + 316896.

It is an arithmetic number, because the mean of its divisors is an integer number (25972188).

Almost surely, 2103255121 is an apocalyptic number.

It is an amenable number.

103255121 is a deficient number, since it is larger than the sum of its proper divisors (633631).

103255121 is an equidigital number, since it uses as much as digits as its factorization.

103255121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633630.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 103255121 is about 10161.4527012627. The cubic root of 103255121 is about 469.1415157226.

The spelling of 103255121 in words is "one hundred three million, two hundred fifty-five thousand, one hundred twenty-one".

Divisors: 1 163 633467 103255121