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131473451 = 2314333989
BaseRepresentation
bin1111101011000…
…10000000101011
3100011101112200002
413311202000223
5232124122301
621013533215
73154335344
oct765420053
9304345602
10131473451
1168238a4a
123804420b
1321313355
14136650cb
15b82016b
hex7d6202b

131473451 has 8 divisors (see below), whose sum is σ = 137319840. Its totient is φ = 125637952.

The previous prime is 131473421. The next prime is 131473471. The reversal of 131473451 is 154374131.

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

It is a cyclic number.

It is not a de Polignac number, because 131473451 - 218 = 131211307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131473421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30965 + ... + 34953.

It is an arithmetic number, because the mean of its divisors is an integer number (17164980).

Almost surely, 2131473451 is an apocalyptic number.

131473451 is a deficient number, since it is larger than the sum of its proper divisors (5846389).

131473451 is a wasteful number, since it uses less digits than its factorization.

131473451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445.

The product of its digits is 5040, while the sum is 29.

The square root of 131473451 is about 11466.1872913362. The cubic root of 131473451 is about 508.4864146204.

The spelling of 131473451 in words is "one hundred thirty-one million, four hundred seventy-three thousand, four hundred fifty-one".

Divisors: 1 23 1433 3989 32959 91747 5716237 131473451