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470023131 = 3156674377
BaseRepresentation
bin11100000000111…
…111101111011011
31012202102122112010
4130000333233123
51430311220011
6114350121003
714435062554
oct3400775733
91182378463
10470023131
11221352376
121114b0163
13764ba7c6
14465d132b
152b3e61a6
hex1c03fbdb

470023131 has 4 divisors (see below), whose sum is σ = 626697512. Its totient is φ = 313348752.

The previous prime is 470023109. The next prime is 470023189. The reversal of 470023131 is 131320074.

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

It is not a de Polignac number, because 470023131 - 215 = 469990363 is a prime.

It is a super-2 number, since 2×4700231312 = 441843487350086322, 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 = 470023098 and 470023107.

It is not an unprimeable number, because it can be changed into a prime (470023031) 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, 78337186 + ... + 78337191.

It is an arithmetic number, because the mean of its divisors is an integer number (156674378).

Almost surely, 2470023131 is an apocalyptic number.

470023131 is a deficient number, since it is larger than the sum of its proper divisors (156674381).

470023131 is a wasteful number, since it uses less digits than its factorization.

470023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156674380.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 470023131 is about 21680.0168588495. The cubic root of 470023131 is about 777.5107643523.

The spelling of 470023131 in words is "four hundred seventy million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 156674377 470023131