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422704828 = 22713289329
BaseRepresentation
bin11001001100011…
…111011010111100
31002110101122000101
4121030133122330
51331203023303
6105540010444
713321634410
oct3114373274
91073348011
10422704828
111a7673437
12b9690a24
1369760c00
14401d4d40
152719ad1d
hex1931f6bc

422704828 has 36 divisors (see below), whose sum is σ = 915453840. Its totient is φ = 167222016.

The previous prime is 422704823. The next prime is 422704831. The reversal of 422704828 is 828407224.

It is a super-2 number, since 2×4227048282 = 357358743229019168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422704823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39933 + ... + 49396.

Almost surely, 2422704828 is an apocalyptic number.

It is an amenable number.

422704828 is an abundant number, since it is smaller than the sum of its proper divisors (492749012).

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

422704828 is a wasteful number, since it uses less digits than its factorization.

422704828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89366 (or 89351 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 422704828 is about 20559.7866720450. The cubic root of 422704828 is about 750.4914278538.

The spelling of 422704828 in words is "four hundred twenty-two million, seven hundred four thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 89329 178658 357316 625303 1161277 1250606 2322554 2501212 4645108 8128939 15096601 16257878 30193202 32515756 60386404 105676207 211352414 422704828