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12519942 = 232086657
BaseRepresentation
bin101111110000…
…101000000110
3212120002010120
4233300220012
511201114232
61124202410
7211263201
oct57605006
925502116
1012519942
117081466
124239406
132794866
14193c938
15117492c
hexbf0a06

12519942 has 8 divisors (see below), whose sum is σ = 25039896. Its totient is φ = 4173312.

The previous prime is 12519937. The next prime is 12519961. The reversal of 12519942 is 24991521.

It is a sphenic number, since it is the product of 3 distinct primes.

12519942 is an admirable number.

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, 1043323 + ... + 1043334.

It is an arithmetic number, because the mean of its divisors is an integer number (3129987).

Almost surely, 212519942 is an apocalyptic number.

12519942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12519942 is a wasteful number, since it uses less digits than its factorization.

12519942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086662.

The product of its digits is 6480, while the sum is 33.

The square root of 12519942 is about 3538.3530066968. The cubic root of 12519942 is about 232.2027928601.

The spelling of 12519942 in words is "twelve million, five hundred nineteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 2086657 4173314 6259971 12519942