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422871072 = 25313338839
BaseRepresentation
bin11001001101001…
…000000000100000
31002110201002001120
4121031020000200
51331223333242
6105543332240
713323226161
oct3115100040
91073632046
10422871072
111a7777328
12b9751080
13697bb790
1440239768
15271d01ec
hex19348020

422871072 has 48 divisors (see below), whose sum is σ = 1195427520. Its totient is φ = 130113792.

The previous prime is 422871067. The next prime is 422871131. The reversal of 422871072 is 270178224.

It is a tau number, because it is divible by the number of its divisors (48).

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, 168172 + ... + 170667.

It is an arithmetic number, because the mean of its divisors is an integer number (24904740).

Almost surely, 2422871072 is an apocalyptic number.

It is an amenable number.

422871072 is an abundant number, since it is smaller than the sum of its proper divisors (772556448).

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

422871072 is a wasteful number, since it uses less digits than its factorization.

422871072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338865 (or 338857 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 422871072 is about 20563.8292153966. The cubic root of 422871072 is about 750.5898009471.

The spelling of 422871072 in words is "four hundred twenty-two million, eight hundred seventy-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 338839 677678 1016517 1355356 2033034 2710712 4066068 4404907 5421424 8132136 8809814 10842848 13214721 16264272 17619628 26429442 32528544 35239256 52858884 70478512 105717768 140957024 211435536 422871072