Search a number
-
+
123200994 = 2372419051
BaseRepresentation
bin1110101011111…
…10010111100010
322120211020222210
413111332113202
5223014412434
620120342550
73024122400
oct725762742
9276736883
10123200994
11635a8804
1235314a56
131c6a7bc7
1412510470
15ac38ee9
hex757e5e2

123200994 has 24 divisors (see below), whose sum is σ = 286631568. Its totient is φ = 35200200.

The previous prime is 123200983. The next prime is 123200999. The reversal of 123200994 is 499002321.

It is not an unprimeable number, because it can be changed into a prime (123200999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209232 + ... + 209819.

It is an arithmetic number, because the mean of its divisors is an integer number (11942982).

Almost surely, 2123200994 is an apocalyptic number.

123200994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123200994 is an abundant number, since it is smaller than the sum of its proper divisors (163430574).

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

123200994 is a wasteful number, since it uses less digits than its factorization.

123200994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419070 (or 419063 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 123200994 is about 11099.5943169109. The cubic root of 123200994 is about 497.5897251534.

The spelling of 123200994 in words is "one hundred twenty-three million, two hundred thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 419051 838102 1257153 2514306 2933357 5866714 8800071 17600142 20533499 41066998 61600497 123200994