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163372020 = 223573710513
BaseRepresentation
bin10011011110011…
…01101111110100
3102101102011021120
421233031233310
5313310401040
624113343540
74022432160
oct1157155764
9371364246
10163372020
11842458a9
1246867bb0
1327b01546
14179a9ca0
15e5217d0
hex9bcdbf4

163372020 has 96 divisors (see below), whose sum is σ = 536971008. Its totient is φ = 36329472.

The previous prime is 163371977. The next prime is 163372037. The reversal of 163372020 is 20273361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10284 + ... + 20796.

It is an arithmetic number, because the mean of its divisors is an integer number (5593448).

Almost surely, 2163372020 is an apocalyptic number.

163372020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163372020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268485504).

163372020 is an abundant number, since it is smaller than the sum of its proper divisors (373598988).

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

163372020 is a wasteful number, since it uses less digits than its factorization.

163372020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569 (or 10567 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 163372020 is about 12781.7064588419. The cubic root of 163372020 is about 546.6708200821.

The spelling of 163372020 in words is "one hundred sixty-three million, three hundred seventy-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 60 70 74 84 105 111 140 148 185 210 222 259 370 420 444 518 555 740 777 1036 1110 1295 1554 2220 2590 3108 3885 5180 7770 10513 15540 21026 31539 42052 52565 63078 73591 105130 126156 147182 157695 210260 220773 294364 315390 367955 388981 441546 630780 735910 777962 883092 1103865 1166943 1471820 1555924 1944905 2207730 2333886 2722867 3889810 4415460 4667772 5445734 5834715 7779620 8168601 10891468 11669430 13614335 16337202 23338860 27228670 32674404 40843005 54457340 81686010 163372020