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142922693 = 1913615527
BaseRepresentation
bin10001000010011…
…01001111000101
3100221221020002002
420201031033011
5243042011233
622103155045
73353552144
oct1041151705
9327836062
10142922693
1173748a31
123ba45a85
13237c1754
1414da575b
15c8326e8
hex884d3c5

142922693 has 8 divisors (see below), whose sum is σ = 150582720. Its totient is φ = 135276480.

The previous prime is 142922683. The next prime is 142922699. The reversal of 142922693 is 396229241.

It is a happy number.

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 142922693 - 24 = 142922677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142922699) 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, 23096 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (18822840).

Almost surely, 2142922693 is an apocalyptic number.

It is an amenable number.

142922693 is a deficient number, since it is larger than the sum of its proper divisors (7660027).

142922693 is a wasteful number, since it uses less digits than its factorization.

142922693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907.

The product of its digits is 46656, while the sum is 38.

The square root of 142922693 is about 11955.0279380686. The cubic root of 142922693 is about 522.8379023525.

The spelling of 142922693 in words is "one hundred forty-two million, nine hundred twenty-two thousand, six hundred ninety-three".

Divisors: 1 19 1361 5527 25859 105013 7522247 142922693