Search a number
-
+
113138910 = 2335171572
BaseRepresentation
bin1101011111001…
…01110011011110
321212220001102000
412233211303132
5212430421120
615120543130
72542444023
oct657456336
9255801360
10113138910
1158955a35
1231a81aa6
131a594001
141105154a
159dec990
hex6be5cde

113138910 has 96 divisors (see below), whose sum is σ = 321498720. Its totient is φ = 28214784.

The previous prime is 113138903. The next prime is 113138923. The reversal of 113138910 is 19831311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720552 + ... + 720708.

It is an arithmetic number, because the mean of its divisors is an integer number (3348945).

Almost surely, 2113138910 is an apocalyptic number.

113138910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113138910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160749360).

113138910 is an abundant number, since it is smaller than the sum of its proper divisors (208359810).

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

113138910 is a wasteful number, since it uses less digits than its factorization.

113138910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 113138910 is about 10636.6775827793. The cubic root of 113138910 is about 483.6568356133.

The spelling of 113138910 in words is "one hundred thirteen million, one hundred thirty-eight thousand, nine hundred ten".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 157 170 255 270 306 314 459 471 510 765 785 918 942 1413 1530 1570 2295 2355 2669 2826 4239 4590 4710 5338 7065 8007 8478 13345 14130 16014 21195 24021 24649 26690 40035 42390 48042 49298 72063 73947 80070 120105 123245 144126 147894 221841 240210 246490 360315 369735 419033 443682 665523 720630 739470 838066 1109205 1257099 1331046 2095165 2218410 2514198 3327615 3771297 4190330 6285495 6655230 7542594 11313891 12570990 18856485 22627782 37712970 56569455 113138910