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470290071 = 31929284507
BaseRepresentation
bin11100000010000…
…000111010010111
31012202221012200210
4130002000322113
51430343240241
6114355540503
714440254036
oct3402007227
91182835623
10470290071
11221514989
121115ba733
1376582164
144666071d
152b44a316
hex1c080e97

470290071 has 16 divisors (see below), whose sum is σ = 682819200. Its totient is φ = 286782048.

The previous prime is 470290063. The next prime is 470290123. The reversal of 470290071 is 170092074.

It is not a de Polignac number, because 470290071 - 23 = 470290063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470290021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140601 + ... + 143906.

It is an arithmetic number, because the mean of its divisors is an integer number (42676200).

Almost surely, 2470290071 is an apocalyptic number.

470290071 is a deficient number, since it is larger than the sum of its proper divisors (212529129).

470290071 is a wasteful number, since it uses less digits than its factorization.

470290071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284558.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 470290071 is about 21686.1723455293. The cubic root of 470290071 is about 777.6579269287.

The spelling of 470290071 in words is "four hundred seventy million, two hundred ninety thousand, seventy-one".

Divisors: 1 3 19 29 57 87 551 1653 284507 853521 5405633 8250703 16216899 24752109 156763357 470290071