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20474202 = 237487481
BaseRepresentation
bin100111000011…
…0100101011010
31102112012022210
41032012211122
520220133302
62010455550
7336012360
oct116064532
942465283
1020474202
1110614631
126a345b6
13431b218
142a0d630
151be666c
hex138695a

20474202 has 16 divisors (see below), whose sum is σ = 46798272. Its totient is φ = 5849760.

The previous prime is 20474161. The next prime is 20474221. The reversal of 20474202 is 20247402.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 243699 + ... + 243782.

It is an arithmetic number, because the mean of its divisors is an integer number (2924892).

Almost surely, 220474202 is an apocalyptic number.

20474202 is an abundant number, since it is smaller than the sum of its proper divisors (26324070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20474202 is a wasteful number, since it uses less digits than its factorization.

20474202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487493.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 20474202 is about 4524.8427596989. The cubic root of 20474202 is about 273.5703301758.

The spelling of 20474202 in words is "twenty million, four hundred seventy-four thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 487481 974962 1462443 2924886 3412367 6824734 10237101 20474202