Search a number
-
+
123080828 = 22132366939
BaseRepresentation
bin1110101011000…
…01000001111100
322120121011011012
413111201001330
5223002041303
620114014352
73023112143
oct725410174
9276534135
10123080828
11635264a2
12352773b8
131c6652c0
14124bc75a
15ac135d8
hex756107c

123080828 has 12 divisors (see below), whose sum is σ = 231960120. Its totient is φ = 56806512.

The previous prime is 123080821. The next prime is 123080851. The reversal of 123080828 is 828080321.

It is a junction number, because it is equal to n+sod(n) for n = 123080794 and 123080803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123080821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183418 + ... + 1183521.

It is an arithmetic number, because the mean of its divisors is an integer number (19330010).

Almost surely, 2123080828 is an apocalyptic number.

It is an amenable number.

123080828 is a deficient number, since it is larger than the sum of its proper divisors (108879292).

123080828 is a wasteful number, since it uses less digits than its factorization.

123080828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366956 (or 2366954 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 123080828 is about 11094.1799156134. The cubic root of 123080828 is about 497.4278952427.

The spelling of 123080828 in words is "one hundred twenty-three million, eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 2366939 4733878 9467756 30770207 61540414 123080828