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420296045 = 51345714149
BaseRepresentation
bin11001000011010…
…011010101101101
31002021212020210012
4121003103111231
51330043433140
6105412223005
713262312621
oct3103232555
91067766705
10420296045
111a6278704
12b890aa65
13690c96b0
143db69181
1526d72265
hex190d356d

420296045 has 16 divisors (see below), whose sum is σ = 544378800. Its totient is φ = 309671424.

The previous prime is 420296033. The next prime is 420296057. The reversal of 420296045 is 540692024.

It is an interprime number because it is at equal distance from previous prime (420296033) and next prime (420296057).

It can be written as a sum of positive squares in 8 ways, for example, as 17330569 + 402965476 = 4163^2 + 20074^2 .

It is a cyclic number.

It is not a de Polignac number, because 420296045 - 228 = 151860589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22631 + ... + 36779.

It is an arithmetic number, because the mean of its divisors is an integer number (34023675).

Almost surely, 2420296045 is an apocalyptic number.

It is an amenable number.

420296045 is a deficient number, since it is larger than the sum of its proper divisors (124082755).

420296045 is a wasteful number, since it uses less digits than its factorization.

420296045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 420296045 is about 20501.1230180203. The cubic root of 420296045 is about 749.0631532077.

The spelling of 420296045 in words is "four hundred twenty million, two hundred ninety-six thousand, forty-five".

Divisors: 1 5 13 65 457 2285 5941 14149 29705 70745 183937 919685 6466093 32330465 84059209 420296045