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164002920 = 233511231217
BaseRepresentation
bin10011100011001…
…11110001101000
3102102121012201020
421301213301220
5313441043140
624135052440
74031000424
oct1161476150
9372535636
10164002920
1184636904
1246b11120
1327c92763
1417ad1b84
15e5e86d0
hex9c67c68

164002920 has 64 divisors (see below), whose sum is σ = 492851520. Its totient is φ = 43659264.

The previous prime is 164002913. The next prime is 164002921. The reversal of 164002920 is 29200461.

164002920 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (164002921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134152 + ... + 135368.

It is an arithmetic number, because the mean of its divisors is an integer number (7700805).

Almost surely, 2164002920 is an apocalyptic number.

164002920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164002920 is an abundant number, since it is smaller than the sum of its proper divisors (328848600).

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

164002920 is a wasteful number, since it uses less digits than its factorization.

164002920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 164002920 is about 12806.3624812044. The cubic root of 164002920 is about 547.3736160814.

The spelling of 164002920 in words is "one hundred sixty-four million, two thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1123 1217 2246 2434 3369 3651 4492 4868 5615 6085 6738 7302 8984 9736 11230 12170 13476 14604 16845 18255 22460 24340 26952 29208 33690 36510 44920 48680 67380 73020 134760 146040 1366691 2733382 4100073 5466764 6833455 8200146 10933528 13666910 16400292 20500365 27333820 32800584 41000730 54667640 82001460 164002920