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103242949 = 191540539
BaseRepresentation
bin1100010011101…
…01110011000101
321012021021200221
412021311303011
5202412233244
614124504341
72362356565
oct611656305
9235237627
10103242949
1153306a57
122a6ab0b1
131850a904
14d9d6da5
1590e5784
hex6275cc5

103242949 has 4 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 102702220.

The previous prime is 103242917. The next prime is 103243027. The reversal of 103242949 is 949242301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103242949 - 25 = 103242917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103242049) 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, 270079 + ... + 270460.

It is an arithmetic number, because the mean of its divisors is an integer number (25945920).

Almost surely, 2103242949 is an apocalyptic number.

It is an amenable number.

103242949 is a deficient number, since it is larger than the sum of its proper divisors (540731).

103242949 is an equidigital number, since it uses as much as digits as its factorization.

103242949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540730.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 103242949 is about 10160.8537534993. The cubic root of 103242949 is about 469.1230804306.

The spelling of 103242949 in words is "one hundred three million, two hundred forty-two thousand, nine hundred forty-nine".

Divisors: 1 191 540539 103242949