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3427931 = 131715511
BaseRepresentation
bin1101000100111001011011
320110011020102
431010321123
51334143211
6201250015
741064653
oct15047133
96404212
103427931
111a31501
12119390b
13930380
14653363
1547aa3b
hex344e5b

3427931 has 8 divisors (see below), whose sum is σ = 3909024. Its totient is φ = 2977920.

The previous prime is 3427913. The next prime is 3427933. The reversal of 3427931 is 1397243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3427931 is a prime.

It is a super-2 number, since 2×34279312 = 23501421881522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3427894 and 3427903.

It is not an unprimeable number, because it can be changed into a prime (3427933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (488628).

Almost surely, 23427931 is an apocalyptic number.

3427931 is a deficient number, since it is larger than the sum of its proper divisors (481093).

3427931 is a wasteful number, since it uses less digits than its factorization.

3427931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15541.

The product of its digits is 4536, while the sum is 29.

The square root of 3427931 is about 1851.4672559892. The cubic root of 3427931 is about 150.7800989013.

The spelling of 3427931 in words is "three million, four hundred twenty-seven thousand, nine hundred thirty-one".

Divisors: 1 13 17 221 15511 201643 263687 3427931