Search a number
-
+
11900740 = 225595037
BaseRepresentation
bin101101011001…
…011101000100
3211101121202011
4231121131010
511021310430
61103024004
7203104015
oct55313504
924347664
1011900740
116799225
123b9b004
132608a77
14181b00c
1510a122a
hexb59744

11900740 has 12 divisors (see below), whose sum is σ = 24991596. Its totient is φ = 4760288.

The previous prime is 11900711. The next prime is 11900767. The reversal of 11900740 is 4700911.

11900740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 3594816 = 2882^2 + 1896^2 .

It is a super-2 number, since 2×119007402 = 283255225095200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297499 + ... + 297538.

It is an arithmetic number, because the mean of its divisors is an integer number (2082633).

Almost surely, 211900740 is an apocalyptic number.

11900740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11900740 is an abundant number, since it is smaller than the sum of its proper divisors (13090856).

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

11900740 is a wasteful number, since it uses less digits than its factorization.

11900740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595046 (or 595044 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 11900740 is about 3449.7449181063. The cubic root of 11900740 is about 228.3098536722.

The spelling of 11900740 in words is "eleven million, nine hundred thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 595037 1190074 2380148 2975185 5950370 11900740