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142323461 = 7101320071
BaseRepresentation
bin10000111101110…
…10111100000101
3100220210210002022
420132322330011
5242413322321
622042252525
73345505130
oct1036727405
9326723068
10142323461
11733797a5
123b7b7145
1323641a87
1414c8b217
15c764dab
hex87baf05

142323461 has 8 divisors (see below), whose sum is σ = 162824064. Its totient is φ = 121865040.

The previous prime is 142323457. The next prime is 142323469. The reversal of 142323461 is 164323241.

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

It is a cyclic number.

It is not a de Polignac number, because 142323461 - 22 = 142323457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142323461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 17126.

It is an arithmetic number, because the mean of its divisors is an integer number (20353008).

Almost surely, 2142323461 is an apocalyptic number.

It is an amenable number.

142323461 is a deficient number, since it is larger than the sum of its proper divisors (20500603).

142323461 is a wasteful number, since it uses less digits than its factorization.

142323461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21091.

The product of its digits is 3456, while the sum is 26.

The square root of 142323461 is about 11929.9396897051. The cubic root of 142323461 is about 522.1061779091.

The spelling of 142323461 in words is "one hundred forty-two million, three hundred twenty-three thousand, four hundred sixty-one".

Divisors: 1 7 1013 7091 20071 140497 20331923 142323461