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142312104 = 233211179687
BaseRepresentation
bin10000111101110…
…00001010101000
3100220210012111200
420132320022220
5242412441404
622042124200
73345430044
oct1036701250
9326705450
10142312104
1173371210
123b7b0660
132363985c
1414c87024
15c761839
hex87b82a8

142312104 has 48 divisors (see below), whose sum is σ = 420469920. Its totient is φ = 43124640.

The previous prime is 142312091. The next prime is 142312111. The reversal of 142312104 is 401213241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89052 + ... + 90635.

It is an arithmetic number, because the mean of its divisors is an integer number (8759790).

Almost surely, 2142312104 is an apocalyptic number.

It is an amenable number.

142312104 is an abundant number, since it is smaller than the sum of its proper divisors (278157816).

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

142312104 is a wasteful number, since it uses less digits than its factorization.

142312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179710 (or 179703 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142312104 is about 11929.4636928908. The cubic root of 142312104 is about 522.0922900193.

Adding to 142312104 its reverse (401213241), we get a palindrome (543525345).

The spelling of 142312104 in words is "one hundred forty-two million, three hundred twelve thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 179687 359374 539061 718748 1078122 1437496 1617183 1976557 2156244 3234366 3953114 4312488 5929671 6468732 7906228 11859342 12937464 15812456 17789013 23718684 35578026 47437368 71156052 142312104