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470421705 = 351317141907
BaseRepresentation
bin11100000010100…
…001000011001001
31012210011220021010
4130002201003021
51430411443310
6114402434133
714441342565
oct3402410311
91183156233
10470421705
112215a4876
12111662949
13765ca050
14466966a5
152b474320
hex1c0a10c9

470421705 has 32 divisors (see below), whose sum is σ = 858259584. Its totient is φ = 217967616.

The previous prime is 470421697. The next prime is 470421713. The reversal of 470421705 is 507124074.

It is an interprime number because it is at equal distance from previous prime (470421697) and next prime (470421713).

It is not a de Polignac number, because 470421705 - 23 = 470421697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67639 + ... + 74268.

It is an arithmetic number, because the mean of its divisors is an integer number (26820612).

Almost surely, 2470421705 is an apocalyptic number.

It is an amenable number.

470421705 is a deficient number, since it is larger than the sum of its proper divisors (387837879).

470421705 is a wasteful number, since it uses less digits than its factorization.

470421705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141945.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 470421705 is about 21689.2071086059. The cubic root of 470421705 is about 777.7304755397.

Adding to 470421705 its reverse (507124074), we get a palindrome (977545779).

The spelling of 470421705 in words is "four hundred seventy million, four hundred twenty-one thousand, seven hundred five".

Divisors: 1 3 5 13 15 17 39 51 65 85 195 221 255 663 1105 3315 141907 425721 709535 1844791 2128605 2412419 5534373 7237257 9223955 12062095 27671865 31361447 36186285 94084341 156807235 470421705