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1995412 = 222332141
BaseRepresentation
bin111100111001010010100
310202101012011
413213022110
51002323122
6110434004
722650346
oct7471224
93671164
101995412
111143201
12802904
1354b323
1439d296
15296377
hex1e7294

1995412 has 12 divisors (see below), whose sum is σ = 3508596. Its totient is φ = 992960.

The previous prime is 1995391. The next prime is 1995421. The reversal of 1995412 is 2145991.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 749956 = 1116^2 + 866^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (292383).

21995412 is an apocalyptic number.

It is an amenable number.

1995412 is a deficient number, since it is larger than the sum of its proper divisors (1513184).

1995412 is a wasteful number, since it uses less digits than its factorization.

1995412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378 (or 2376 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 1995412 is about 1412.5905280724. The cubic root of 1995412 is about 125.8956892630.

The spelling of 1995412 in words is "one million, nine hundred ninety-five thousand, four hundred twelve".

Divisors: 1 2 4 233 466 932 2141 4282 8564 498853 997706 1995412