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142426061 = 374199187
BaseRepresentation
bin10000111110100…
…11111111001101
3100220222222211022
420133103333031
5242430113221
622044403525
73346413221
oct1037237715
9326888738
10142426061
1173439898
123b8465a5
132367969b
1414cb6781
15c7854ab
hex87d3fcd

142426061 has 8 divisors (see below), whose sum is σ = 146640480. Its totient is φ = 138230928.

The previous prime is 142426057. The next prime is 142426073. The reversal of 142426061 is 160624241.

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 142426061 - 22 = 142426057 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 142426061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142426001) 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, 10910 + ... + 20096.

It is an arithmetic number, because the mean of its divisors is an integer number (18330060).

Almost surely, 2142426061 is an apocalyptic number.

It is an amenable number.

142426061 is a deficient number, since it is larger than the sum of its proper divisors (4214419).

142426061 is an equidigital number, since it uses as much as digits as its factorization.

142426061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 142426061 is about 11934.2390205660. The cubic root of 142426061 is about 522.2316086856.

The spelling of 142426061 in words is "one hundred forty-two million, four hundred twenty-six thousand, sixty-one".

Divisors: 1 37 419 9187 15503 339919 3849353 142426061