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142670685 = 359511379
BaseRepresentation
bin10001000000011…
…11101101011101
3100221110102101110
420200033231131
5243010430220
622053532233
73351452343
oct1040175535
9327412343
10142670685
1173596663
123b944079
1323733b31
1414d3b993
15c7d2be0
hex880fb5d

142670685 has 8 divisors (see below), whose sum is σ = 228273120. Its totient is φ = 76091024.

The previous prime is 142670683. The next prime is 142670687. The reversal of 142670685 is 586076241.

142670685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142670683) and next prime (142670687).

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 142670685 - 21 = 142670683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142670683) 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, 4755675 + ... + 4755704.

It is an arithmetic number, because the mean of its divisors is an integer number (28534140).

Almost surely, 2142670685 is an apocalyptic number.

142670685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142670685 is a deficient number, since it is larger than the sum of its proper divisors (85602435).

142670685 is an equidigital number, since it uses as much as digits as its factorization.

142670685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511387.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 142670685 is about 11944.4834547167. The cubic root of 142670685 is about 522.5304241192.

The spelling of 142670685 in words is "one hundred forty-two million, six hundred seventy thousand, six hundred eighty-five".

Divisors: 1 3 5 15 9511379 28534137 47556895 142670685