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142610479 = 1121577507
BaseRepresentation
bin10001000000000…
…01000000101111
3100221100100210121
420200001000233
5243002013404
622052345411
73351111664
oct1040010057
9327310717
10142610479
1173555400
123b915267
13237125cb
1414d23a6b
15c7bee54
hex880102f

142610479 has 12 divisors (see below), whose sum is σ = 157773112. Its totient is φ = 128802960.

The previous prime is 142610471. The next prime is 142610483. The reversal of 142610479 is 974016241.

It is not a de Polignac number, because 142610479 - 23 = 142610471 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142610471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15244 + ... + 22750.

Almost surely, 2142610479 is an apocalyptic number.

142610479 is a deficient number, since it is larger than the sum of its proper divisors (15162633).

142610479 is a wasteful number, since it uses less digits than its factorization.

142610479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142610479 is about 11941.9629458477. The cubic root of 142610479 is about 522.4569124211.

The spelling of 142610479 in words is "one hundred forty-two million, six hundred ten thousand, four hundred seventy-nine".

Divisors: 1 11 121 157 1727 7507 18997 82577 908347 1178599 12964589 142610479