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130840571 = 400732653
BaseRepresentation
bin1111100110001…
…11011111111011
3100010012101112002
413303013133323
5231443344241
620552211215
73146061251
oct763073773
9303171462
10130840571
1167946504
1237999b0b
1321151274
141353c5d1
15b74789b
hex7cc77fb

130840571 has 4 divisors (see below), whose sum is σ = 130877232. Its totient is φ = 130803912.

The previous prime is 130840531. The next prime is 130840579. The reversal of 130840571 is 175048031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130840571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130840579) 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, 12320 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (32719308).

Almost surely, 2130840571 is an apocalyptic number.

130840571 is a deficient number, since it is larger than the sum of its proper divisors (36661).

130840571 is an equidigital number, since it uses as much as digits as its factorization.

130840571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36660.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 130840571 is about 11438.5563337337. The cubic root of 130840571 is about 507.6691935081.

The spelling of 130840571 in words is "one hundred thirty million, eight hundred forty thousand, five hundred seventy-one".

Divisors: 1 4007 32653 130840571