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422007208 = 23721576857
BaseRepresentation
bin11001001001110…
…101000110101000
31002102002012001121
4121021311012220
51331013212313
6105513025024
713313000500
oct3111650650
91072065047
10422007208
111a7237297
12b93b5174
136957850c
1440092a00
15270ae28d
hex192751a8

422007208 has 48 divisors (see below), whose sum is σ = 926447220. Its totient is φ = 179682048.

The previous prime is 422007191. The next prime is 422007227. The reversal of 422007208 is 802700224.

It can be written as a sum of positive squares in 2 ways, for example, as 339959844 + 82047364 = 18438^2 + 9058^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58116 + ... + 64972.

Almost surely, 2422007208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422007208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463223610).

422007208 is an abundant number, since it is smaller than the sum of its proper divisors (504440012).

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

422007208 is a wasteful number, since it uses less digits than its factorization.

422007208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034 (or 7023 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 422007208 is about 20542.8140234000. The cubic root of 422007208 is about 750.0783372989.

The spelling of 422007208 in words is "four hundred twenty-two million, seven thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 157 196 314 392 628 1099 1256 2198 4396 6857 7693 8792 13714 15386 27428 30772 47999 54856 61544 95998 191996 335993 383992 671986 1076549 1343972 2153098 2687944 4306196 7535843 8612392 15071686 30143372 52750901 60286744 105501802 211003604 422007208