Search a number
-
+
123024290 = 2543286103
BaseRepresentation
bin1110101010100…
…11001110100010
322120111021121012
413111103032202
5222443234130
620112500522
73022455254
oct725231642
9276437535
10123024290
1163497a74
123524a742
131c64564c
14124a5cd4
15ac01995
hex75533a2

123024290 has 16 divisors (see below), whose sum is σ = 226594368. Its totient is φ = 48065136.

The previous prime is 123024281. The next prime is 123024301. The reversal of 123024290 is 92420321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142622 + ... + 143481.

It is an arithmetic number, because the mean of its divisors is an integer number (14162148).

Almost surely, 2123024290 is an apocalyptic number.

123024290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123024290 is a deficient number, since it is larger than the sum of its proper divisors (103570078).

123024290 is a wasteful number, since it uses less digits than its factorization.

123024290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286153.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 123024290 is about 11091.6315301222. The cubic root of 123024290 is about 497.3517179692.

The spelling of 123024290 in words is "one hundred twenty-three million, twenty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 286103 572206 1430515 2861030 12302429 24604858 61512145 123024290