Search a number
-
+
133400910 = 23537120181
BaseRepresentation
bin1111111001110…
…00100101001110
3100022000110122110
413330320211032
5233122312120
621123124450
73206613636
oct774704516
9308013573
10133400910
1169335095
1238813726
1321839766
1413a076c6
15baa12e0
hex7f3894e

133400910 has 32 divisors (see below), whose sum is σ = 328817952. Its totient is φ = 34611840.

The previous prime is 133400909. The next prime is 133400933. The reversal of 133400910 is 19004331.

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, 58981 + ... + 61200.

It is an arithmetic number, because the mean of its divisors is an integer number (10275561).

Almost surely, 2133400910 is an apocalyptic number.

133400910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133400910 is an abundant number, since it is smaller than the sum of its proper divisors (195417042).

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

133400910 is a wasteful number, since it uses less digits than its factorization.

133400910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120228.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 133400910 is about 11549.9311686261. The cubic root of 133400910 is about 510.9592480806.

The spelling of 133400910 in words is "one hundred thirty-three million, four hundred thousand, nine hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 120181 240362 360543 600905 721086 1201810 1802715 3605430 4446697 8893394 13340091 22233485 26680182 44466970 66700455 133400910