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163420112 = 2446721871
BaseRepresentation
bin10011011110110…
…01011111010000
3102101111121020202
421233121133100
5313313420422
624114354332
74023022322
oct1157313720
9371447222
10163420112
1184278a49
124688b9a8
1327b1a3bb
14179bd612
15e530b92
hex9bd97d0

163420112 has 20 divisors (see below), whose sum is σ = 317318976. Its totient is φ = 81531360.

The previous prime is 163420097. The next prime is 163420123. The reversal of 163420112 is 211024361.

It is a super-2 number, since 2×1634201122 = 53412266012185088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464 + ... + 18407.

Almost surely, 2163420112 is an apocalyptic number.

It is an amenable number.

163420112 is a deficient number, since it is larger than the sum of its proper divisors (153898864).

163420112 is a wasteful number, since it uses less digits than its factorization.

163420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346 (or 22340 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 163420112 is about 12783.5876028602. The cubic root of 163420112 is about 546.7244561817.

Adding to 163420112 its reverse (211024361), we get a palindrome (374444473).

The spelling of 163420112 in words is "one hundred sixty-three million, four hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 467 934 1868 3736 7472 21871 43742 87484 174968 349936 10213757 20427514 40855028 81710056 163420112