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420413885 = 5360723311
BaseRepresentation
bin11001000011110…
…000000110111101
31002022002020102122
4121003300012331
51330111221020
6105414532325
713263313313
oct3103600675
91068066378
10420413885
111a63491a1
12b89670a5
136913b218
143db9a0b3
1526d97125
hex190f01bd

420413885 has 8 divisors (see below), whose sum is σ = 504658176. Its totient is φ = 336223440.

The previous prime is 420413879. The next prime is 420413921. The reversal of 420413885 is 588314024.

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

It is not a de Polignac number, because 420413885 - 214 = 420397501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6380 + ... + 29690.

It is an arithmetic number, because the mean of its divisors is an integer number (63082272).

Almost surely, 2420413885 is an apocalyptic number.

It is an amenable number.

420413885 is a deficient number, since it is larger than the sum of its proper divisors (84244291).

420413885 is a wasteful number, since it uses less digits than its factorization.

420413885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26923.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 420413885 is about 20503.9968055011. The cubic root of 420413885 is about 749.1331525608.

The spelling of 420413885 in words is "four hundred twenty million, four hundred thirteen thousand, eight hundred eighty-five".

Divisors: 1 5 3607 18035 23311 116555 84082777 420413885