Search a number
-
+
2130868 = 22677951
BaseRepresentation
bin1000001000001110110100
311000021000001
420020032310
51021141433
6113401044
724053305
oct10101664
94007001
102130868
111225a53
12869184
13597b8c
143d67ac
152c157d
hex2083b4

2130868 has 12 divisors (see below), whose sum is σ = 3785152. Its totient is φ = 1049400.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130868 is 8680312.

It is a d-powerful number, because it can be written as 2 + 1 + 36 + 0 + 85 + 63 + 87 .

It is a congruent number.

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, 3708 + ... + 4243.

22130868 is an apocalyptic number.

It is an amenable number.

2130868 is a deficient number, since it is larger than the sum of its proper divisors (1654284).

2130868 is a wasteful number, since it uses less digits than its factorization.

2130868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 8020 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2130868 is about 1459.7492935432. The cubic root of 2130868 is about 128.6823102256.

The spelling of 2130868 in words is "two million, one hundred thirty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 67 134 268 7951 15902 31804 532717 1065434 2130868