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142606680 = 23351188389
BaseRepresentation
bin10001000000000…
…00000101011000
3100221100011120220
420200000011120
5243001403210
622052320040
73351064626
oct1040000530
9327304526
10142606680
1173552567
123b913020
1323710968
1414d22516
15c7bdc70
hex8800158

142606680 has 32 divisors (see below), whose sum is σ = 427820400. Its totient is φ = 38028416.

The previous prime is 142606643. The next prime is 142606687. The reversal of 142606680 is 86606241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142606687) 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, 594075 + ... + 594314.

Almost surely, 2142606680 is an apocalyptic number.

142606680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142606680 is an abundant number, since it is smaller than the sum of its proper divisors (285213720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142606680 is a wasteful number, since it uses less digits than its factorization.

142606680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188403 (or 1188399 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 142606680 is about 11941.8038838360. The cubic root of 142606680 is about 522.4522731373.

The spelling of 142606680 in words is "one hundred forty-two million, six hundred six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1188389 2376778 3565167 4753556 5941945 7130334 9507112 11883890 14260668 17825835 23767780 28521336 35651670 47535560 71303340 142606680