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163023294 = 2372797019
BaseRepresentation
bin10011011011110…
…00100110111110
3102100202102220210
421231320212332
5313213221134
624102053250
74016450400
oct1155704676
9370672823
10163023294
11840278a5
124671a226
1327a0b8b5
1417918b70
15e4a32e9
hex9b789be

163023294 has 48 divisors (see below), whose sum is σ = 384134400. Its totient is φ = 45981936.

The previous prime is 163023281. The next prime is 163023299. The reversal of 163023294 is 492320361.

It is a super-2 number, since 2×1630232942 = 53153188773220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163023299) 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 23 ways as a sum of consecutive naturals, for example, 19717 + ... + 26735.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 2163023294 is an apocalyptic number.

163023294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163023294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192067200).

163023294 is an abundant number, since it is smaller than the sum of its proper divisors (221111106).

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

163023294 is a wasteful number, since it uses less digits than its factorization.

163023294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 163023294 is about 12768.0575656597. The cubic root of 163023294 is about 546.2815773139.

The spelling of 163023294 in words is "one hundred sixty-three million, twenty-three thousand, two hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 79 98 147 158 237 294 474 553 1106 1659 3318 3871 7019 7742 11613 14038 21057 23226 42114 49133 98266 147399 294798 343931 554501 687862 1031793 1109002 1663503 2063586 3327006 3881507 7763014 11644521 23289042 27170549 54341098 81511647 163023294