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163158268 = 22713974621
BaseRepresentation
bin10011011100110…
…01100011111100
3102101000022001211
421232121203330
5313232031033
624105014204
74020552040
oct1156314374
9371008054
10163158268
118410a249
1246784364
1327a58170
1417952020
15e4cd2cd
hex9b998fc

163158268 has 48 divisors (see below), whose sum is σ = 355117504. Its totient is φ = 63866880.

The previous prime is 163158253. The next prime is 163158319. The reversal of 163158268 is 862851361.

It is a self number, because there is not a number n which added to its sum of digits gives 163158268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32998 + ... + 37618.

Almost surely, 2163158268 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 163158268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177558752).

163158268 is an abundant number, since it is smaller than the sum of its proper divisors (191959236).

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

163158268 is a wasteful number, since it uses less digits than its factorization.

163158268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742 (or 4740 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 163158268 is about 12773.3420842002. The cubic root of 163158268 is about 546.4322990667.

The spelling of 163158268 in words is "one hundred sixty-three million, one hundred fifty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 97 182 194 364 388 679 1261 1358 2522 2716 4621 5044 8827 9242 17654 18484 32347 35308 60073 64694 120146 129388 240292 420511 448237 841022 896474 1682044 1792948 3137659 5827081 6275318 11654162 12550636 23308324 40789567 81579134 163158268