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142968342 = 23113169877
BaseRepresentation
bin10001000010110…
…00011000010110
3100222000112200210
420201120120112
5243044441332
622104150250
73354132216
oct1041303026
9328015623
10142968342
117377a260
123ba68386
132380946a
1414db8246
15c840ecc
hex8858616

142968342 has 32 divisors (see below), whose sum is σ = 321997824. Its totient is φ = 41925600.

The previous prime is 142968281. The next prime is 142968349. The reversal of 142968342 is 243869241.

It is a self number, because there is not a number n which added to its sum of digits gives 142968342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142968349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32893 + ... + 36984.

It is an arithmetic number, because the mean of its divisors is an integer number (10062432).

Almost surely, 2142968342 is an apocalyptic number.

142968342 is an abundant number, since it is smaller than the sum of its proper divisors (179029482).

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

142968342 is a wasteful number, since it uses less digits than its factorization.

142968342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69924.

The product of its digits is 82944, while the sum is 39.

The square root of 142968342 is about 11956.9369823546. The cubic root of 142968342 is about 522.8935606163.

The spelling of 142968342 in words is "one hundred forty-two million, nine hundred sixty-eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 69877 139754 209631 419262 768647 1537294 2166187 2305941 4332374 4611882 6498561 12997122 23828057 47656114 71484171 142968342