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192681312 = 2532007097
BaseRepresentation
bin10110111110000…
…01010101100000
3111102120020001220
423133001111200
5343311300222
631041455040
74526523045
oct1337012540
9442506056
10192681312
119984435a
1254641480
1330bc4015
141b8391cc
1511db0b5c
hexb7c1560

192681312 has 24 divisors (see below), whose sum is σ = 505788696. Its totient is φ = 64227072.

The previous prime is 192681301. The next prime is 192681317. The reversal of 192681312 is 213186291.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192681317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003453 + ... + 1003644.

It is an arithmetic number, because the mean of its divisors is an integer number (21074529).

Almost surely, 2192681312 is an apocalyptic number.

192681312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

192681312 is an abundant number, since it is smaller than the sum of its proper divisors (313107384).

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

192681312 is a wasteful number, since it uses less digits than its factorization.

192681312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007110 (or 2007102 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 192681312 is about 13880.9694185961. The cubic root of 192681312 is about 577.5813989196.

It can be divided in two parts, 1926 and 81312, that added together give a palindrome (83238).

The spelling of 192681312 in words is "one hundred ninety-two million, six hundred eighty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2007097 4014194 6021291 8028388 12042582 16056776 24085164 32113552 48170328 64227104 96340656 192681312