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130456371 = 3142330559
BaseRepresentation
bin1111100011010…
…01101100110011
3100002110212111110
413301221230303
5231344100441
620540044403
73142601163
oct761515463
9302425443
10130456371
1167703891
1237833703
1321048426
141347c5a3
15b6bdb16
hex7c69b33

130456371 has 8 divisors (see below), whose sum is σ = 174069760. Its totient is φ = 86906952.

The previous prime is 130456363. The next prime is 130456379. The reversal of 130456371 is 173654031.

It is an interprime number because it is at equal distance from previous prime (130456363) and next prime (130456379).

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

It is not a de Polignac number, because 130456371 - 23 = 130456363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130456379) 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, 11011 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (21758720).

Almost surely, 2130456371 is an apocalyptic number.

130456371 is a deficient number, since it is larger than the sum of its proper divisors (43613389).

130456371 is a wasteful number, since it uses less digits than its factorization.

130456371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31985.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 130456371 is about 11421.7499097117. The cubic root of 130456371 is about 507.1718000617.

It can be divided in two parts, 1304 and 56371, that added together give a palindrome (57675).

The spelling of 130456371 in words is "one hundred thirty million, four hundred fifty-six thousand, three hundred seventy-one".

Divisors: 1 3 1423 4269 30559 91677 43485457 130456371