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3113409 = 31397823
BaseRepresentation
bin1011111000000111000001
312212011210110
423320013001
51244112114
6150421533
735314665
oct13700701
95764713
103113409
111837172
1210618a9
13850170
145b08a5
15417759
hex2f81c1

3113409 has 16 divisors (see below), whose sum is σ = 4522112. Its totient is φ = 1893888.

The previous prime is 3113401. The next prime is 3113437. The reversal of 3113409 is 9043113.

It is not a de Polignac number, because 3113409 - 23 = 3113401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3372 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (282632).

Almost surely, 23113409 is an apocalyptic number.

3113409 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3113409 is a deficient number, since it is larger than the sum of its proper divisors (1408703).

3113409 is a wasteful number, since it uses less digits than its factorization.

3113409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3113409 is about 1764.4854774126. The cubic root of 3113409 is about 146.0199040856.

The spelling of 3113409 in words is "three million, one hundred thirteen thousand, four hundred nine".

Divisors: 1 3 13 39 97 291 823 1261 2469 3783 10699 32097 79831 239493 1037803 3113409