Search a number
-
+
163134140 = 225131494211
BaseRepresentation
bin10011011100100…
…11101010111100
3102100222001222012
421232103222330
5313230243030
624104310352
74020421511
oct1156235274
9370861865
10163134140
11840a3104
12467723b8
1327a4a1a0
1417947308
15e4c6095
hex9b93abc

163134140 has 48 divisors (see below), whose sum is σ = 371498400. Its totient is φ = 59815680.

The previous prime is 163134137. The next prime is 163134151. The reversal of 163134140 is 41431361.

It is a super-2 number, since 2×1631341402 = 53225495267079200, 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 15 ways as a sum of consecutive naturals, for example, 36635 + ... + 40845.

It is an arithmetic number, because the mean of its divisors is an integer number (7739550).

Almost surely, 2163134140 is an apocalyptic number.

163134140 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 163134140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185749200).

163134140 is an abundant number, since it is smaller than the sum of its proper divisors (208364260).

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

163134140 is a wasteful number, since it uses less digits than its factorization.

163134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 163134140 is about 12772.3975822866. The cubic root of 163134140 is about 546.4053620960.

The spelling of 163134140 in words is "one hundred sixty-three million, one hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 149 260 298 596 745 1490 1937 2980 3874 4211 7748 8422 9685 16844 19370 21055 38740 42110 54743 84220 109486 218972 273715 547430 627439 1094860 1254878 2509756 3137195 6274390 8156707 12548780 16313414 32626828 40783535 81567070 163134140