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1214492 = 222343307
BaseRepresentation
bin100101000100000011100
32021200222012
410220200130
5302330432
642010352
713215536
oct4504034
92250865
101214492
1175a514
124a69b8
13336a46
14238856
1518ecb2
hex12881c

1214492 has 24 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 565488.

The previous prime is 1214489. The next prime is 1214519. The reversal of 1214492 is 2944121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 3803 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (94864).

21214492 is an apocalyptic number.

It is an amenable number.

1214492 is a deficient number, since it is larger than the sum of its proper divisors (1062244).

1214492 is a wasteful number, since it uses less digits than its factorization.

1214492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 1214492 is about 1102.0399266814. The cubic root of 1214492 is about 106.6919254418.

The spelling of 1214492 in words is "one million, two hundred fourteen thousand, four hundred ninety-two".

Divisors: 1 2 4 23 43 46 86 92 172 307 614 989 1228 1978 3956 7061 13201 14122 26402 28244 52804 303623 607246 1214492