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421204053 = 3178258903
BaseRepresentation
bin11001000110110…
…001000001010101
31002100120101100010
4121012301001111
51330312012203
6105443510433
713303114104
oct3106610125
91070511303
10421204053
111a6838926
12b9088419
1369356a8a
143dd2403b
1526ea1303
hex191b1055

421204053 has 8 divisors (see below), whose sum is σ = 594641088. Its totient is φ = 264284864.

The previous prime is 421204031. The next prime is 421204057. The reversal of 421204053 is 350402124.

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

It is a cyclic number.

It is not a de Polignac number, because 421204053 - 218 = 420941909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421204057) 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, 4129401 + ... + 4129502.

It is an arithmetic number, because the mean of its divisors is an integer number (74330136).

Almost surely, 2421204053 is an apocalyptic number.

It is an amenable number.

421204053 is a deficient number, since it is larger than the sum of its proper divisors (173437035).

421204053 is a wasteful number, since it uses less digits than its factorization.

421204053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258923.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 421204053 is about 20523.2563936623. The cubic root of 421204053 is about 749.6021908122.

Adding to 421204053 its reverse (350402124), we get a palindrome (771606177).

The spelling of 421204053 in words is "four hundred twenty-one million, two hundred four thousand, fifty-three".

Divisors: 1 3 17 51 8258903 24776709 140401351 421204053