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420762753 = 3247994711
BaseRepresentation
bin11001000101000…
…101010010000001
31002022201221222200
4121011011102001
51330203402003
6105430223413
713266265365
oct3105052201
91068657880
10420762753
111a6567314
12b8ab4b69
1369230c58
143dc4b2a5
1526e156a3
hex19145481

420762753 has 12 divisors (see below), whose sum is σ = 620700288. Its totient is φ = 274539960.

The previous prime is 420762751. The next prime is 420762761. The reversal of 420762753 is 357267024.

It is a happy number.

420762753 is a `hidden beast` number, since 4 + 20 + 7 + 627 + 5 + 3 = 666.

It is not a de Polignac number, because 420762753 - 21 = 420762751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420762751) 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, 496933 + ... + 497778.

It is an arithmetic number, because the mean of its divisors is an integer number (51725024).

Almost surely, 2420762753 is an apocalyptic number.

It is an amenable number.

420762753 is a deficient number, since it is larger than the sum of its proper divisors (199937535).

420762753 is a wasteful number, since it uses less digits than its factorization.

420762753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994764 (or 994761 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 420762753 is about 20512.5023583180. The cubic root of 420762753 is about 749.3403105833.

The spelling of 420762753 in words is "four hundred twenty million, seven hundred sixty-two thousand, seven hundred fifty-three".

Divisors: 1 3 9 47 141 423 994711 2984133 8952399 46751417 140254251 420762753