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421353107 = 7212767709
BaseRepresentation
bin11001000111010…
…101011010010011
31002100211221210122
4121013111122103
51330331244412
6105451020455
713304304500
oct3107253223
91070757718
10421353107
111a692a90a
12b913a72b
13693a9886
143dd624a7
1526ed0572
hex191d5693

421353107 has 12 divisors (see below), whose sum is σ = 494012160. Its totient is φ = 358310736.

The previous prime is 421353103. The next prime is 421353131. The reversal of 421353107 is 701353124.

It is not a de Polignac number, because 421353107 - 22 = 421353103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421353103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27632 + ... + 40077.

It is an arithmetic number, because the mean of its divisors is an integer number (41167680).

Almost surely, 2421353107 is an apocalyptic number.

421353107 is a deficient number, since it is larger than the sum of its proper divisors (72659053).

421353107 is a wasteful number, since it uses less digits than its factorization.

421353107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67850 (or 67843 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 421353107 is about 20526.8874162646. The cubic root of 421353107 is about 749.6906024558.

The spelling of 421353107 in words is "four hundred twenty-one million, three hundred fifty-three thousand, one hundred seven".

Divisors: 1 7 49 127 889 6223 67709 473963 3317741 8599043 60193301 421353107