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3113120 = 25519457
BaseRepresentation
bin1011111000000010100000
312212011101202
423320002200
51244104440
6150420332
735314103
oct13700240
95764352
103113120
111836a2a
1210616a8
1384ccaa
145b073a
15417615
hex2f80a0

3113120 has 24 divisors (see below), whose sum is σ = 7355124. Its totient is φ = 1245184.

The previous prime is 3113111. The next prime is 3113129. The reversal of 3113120 is 213113.

It is an interprime number because it is at equal distance from previous prime (3113111) and next prime (3113129).

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 29584 = 1756^2 + 172^2 .

It is a super-2 number, since 2×31131202 = 19383032268800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3113129) 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, 9569 + ... + 9888.

Almost surely, 23113120 is an apocalyptic number.

It is an amenable number.

3113120 is an abundant number, since it is smaller than the sum of its proper divisors (4242004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3113120 is a wasteful number, since it uses less digits than its factorization.

3113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472 (or 19464 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3113120 is about 1764.4035819506. The cubic root of 3113120 is about 146.0153858809.

Adding to 3113120 its reverse (213113), we get a palindrome (3326233).

The spelling of 3113120 in words is "three million, one hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 19457 38914 77828 97285 155656 194570 311312 389140 622624 778280 1556560 3113120