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421353051 = 3720064431
BaseRepresentation
bin11001000111010…
…101011001011011
31002100211221201120
4121013111121123
51330331244201
6105451020323
713304304360
oct3107253133
91070757646
10421353051
111a692a869
12b913a6a3
13693a9842
143dd62467
1526ed0536
hex191d565b

421353051 has 8 divisors (see below), whose sum is σ = 642061824. Its totient is φ = 240773160.

The previous prime is 421353011. The next prime is 421353059. The reversal of 421353051 is 150353124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421353051 - 29 = 421352539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421353059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10032195 + ... + 10032236.

It is an arithmetic number, because the mean of its divisors is an integer number (80257728).

Almost surely, 2421353051 is an apocalyptic number.

421353051 is a deficient number, since it is larger than the sum of its proper divisors (220708773).

421353051 is a wasteful number, since it uses less digits than its factorization.

421353051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20064441.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 421353051 is about 20526.8860521999. The cubic root of 421353051 is about 749.6905692433.

The spelling of 421353051 in words is "four hundred twenty-one million, three hundred fifty-three thousand, fifty-one".

Divisors: 1 3 7 21 20064431 60193293 140451017 421353051