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420924127 = 13231519323
BaseRepresentation
bin11001000101101…
…100101011011111
31002100001011100111
4121011230223133
51330224033002
6105433510451
713300540021
oct3105545337
91070034314
10420924127
111a6667588
12b8b72427
1369289540
143dc90011
1526e483d7
hex1916cadf

420924127 has 16 divisors (see below), whose sum is σ = 476195328. Its totient is φ = 369151200.

The previous prime is 420924103. The next prime is 420924149. The reversal of 420924127 is 721429024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420924127 is a prime.

It is a super-3 number, since 3×4209241273 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420924227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40488 + ... + 49810.

It is an arithmetic number, because the mean of its divisors is an integer number (29762208).

Almost surely, 2420924127 is an apocalyptic number.

420924127 is a deficient number, since it is larger than the sum of its proper divisors (55271201).

420924127 is a wasteful number, since it uses less digits than its factorization.

420924127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 420924127 is about 20516.4355334936. The cubic root of 420924127 is about 749.4360958261.

The spelling of 420924127 in words is "four hundred twenty million, nine hundred twenty-four thousand, one hundred twenty-seven".

Divisors: 1 13 23 151 299 1963 3473 9323 45149 121199 214429 1407773 2787577 18301049 32378779 420924127