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420571294 = 211131470529
BaseRepresentation
bin11001000100010…
…110100010011110
31002022101020100121
4121010112202132
51330131240134
6105422145154
713264540243
oct3104264236
91068336317
10420571294
111a6446490
12b8a221ba
1369194a70
143dbdb5ca
1526dc8ab4
hex1911689e

420571294 has 16 divisors (see below), whose sum is σ = 741147120. Its totient is φ = 176463360.

The previous prime is 420571247. The next prime is 420571303. The reversal of 420571294 is 492175024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734979 + ... + 735550.

It is an arithmetic number, because the mean of its divisors is an integer number (46321695).

Almost surely, 2420571294 is an apocalyptic number.

420571294 is a deficient number, since it is larger than the sum of its proper divisors (320575826).

420571294 is a wasteful number, since it uses less digits than its factorization.

420571294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470555.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 420571294 is about 20507.8349417972. The cubic root of 420571294 is about 749.2266363004.

The spelling of 420571294 in words is "four hundred twenty million, five hundred seventy-one thousand, two hundred ninety-four".

Divisors: 1 2 11 13 22 26 143 286 1470529 2941058 16175819 19116877 32351638 38233754 210285647 420571294