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1232930 = 25139887
BaseRepresentation
bin100101101000000100010
32022122021002
410231000202
5303423210
642232002
713323356
oct4550042
92278232
101232930
11772356
124b5602
1334225a
14241466
151954a5
hex12d022

1232930 has 16 divisors (see below), whose sum is σ = 2237760. Its totient is φ = 489072.

The previous prime is 1232909. The next prime is 1232941. The reversal of 1232930 is 392321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

21232930 is an apocalyptic number.

1232930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232930 is a deficient number, since it is larger than the sum of its proper divisors (1004830).

1232930 is a wasteful number, since it uses less digits than its factorization.

1232930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1232930 is about 1110.3738109304. The cubic root of 1232930 is about 107.2291360063.

The spelling of 1232930 in words is "one million, two hundred thirty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 139 278 695 887 1390 1774 4435 8870 123293 246586 616465 1232930