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420482307 = 3743146457
BaseRepresentation
bin11001000100000…
…000110100000011
31002022012201021210
4121010000310003
51330120413212
6105420221203
713264016640
oct3104006403
91068181253
10420482307
111a6395643
12b899a803
13691633cb
143dbb6dc7
1526dac53c
hex19100d03

420482307 has 16 divisors (see below), whose sum is σ = 642235392. Its totient is φ = 239712960.

The previous prime is 420482303. The next prime is 420482323. The reversal of 420482307 is 703284024.

It is not a de Polignac number, because 420482307 - 22 = 420482303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420482303) 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, 14178 + ... + 32279.

It is an arithmetic number, because the mean of its divisors is an integer number (40139712).

Almost surely, 2420482307 is an apocalyptic number.

420482307 is a deficient number, since it is larger than the sum of its proper divisors (221753085).

420482307 is a wasteful number, since it uses less digits than its factorization.

420482307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46898.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 420482307 is about 20505.6652415863. The cubic root of 420482307 is about 749.1737906161.

The spelling of 420482307 in words is "four hundred twenty million, four hundred eighty-two thousand, three hundred seven".

Divisors: 1 3 7 21 431 1293 3017 9051 46457 139371 325199 975597 20022967 60068901 140160769 420482307