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420484 = 22313391
BaseRepresentation
bin1100110101010000100
3210100210111
41212222010
5101423414
613002404
73400621
oct1465204
9710714
10420484
11267a09
12183404
1311950c
14ad348
15848c4
hex66a84

420484 has 12 divisors (see below), whose sum is σ = 759808. Its totient is φ = 203400.

The previous prime is 420481. The next prime is 420499. The reversal of 420484 is 484024.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (420481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 1819.

2420484 is an apocalyptic number.

It is an amenable number.

420484 is a deficient number, since it is larger than the sum of its proper divisors (339324).

420484 is a wasteful number, since it uses less digits than its factorization.

420484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 420484 is about 648.4473764308. The cubic root of 420484 is about 74.9174796088.

The spelling of 420484 in words is "four hundred twenty thousand, four hundred eighty-four".

Divisors: 1 2 4 31 62 124 3391 6782 13564 105121 210242 420484