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142234656 = 2531481611
BaseRepresentation
bin10000111101001…
…01010000100000
3100220122021021020
420132211100200
5242403002111
622040325440
73344655204
oct1036452040
9326567236
10142234656
1173319003
123b773880
1323610525
1414c66b04
15c748906
hex87a5420

142234656 has 24 divisors (see below), whose sum is σ = 373366224. Its totient is φ = 47411520.

The previous prime is 142234639. The next prime is 142234667. The reversal of 142234656 is 656432241.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740710 + ... + 740901.

It is an arithmetic number, because the mean of its divisors is an integer number (15556926).

Almost surely, 2142234656 is an apocalyptic number.

142234656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142234656 is an abundant number, since it is smaller than the sum of its proper divisors (231131568).

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

142234656 is a wasteful number, since it uses less digits than its factorization.

142234656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481624 (or 1481616 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 142234656 is about 11926.2171705868. The cubic root of 142234656 is about 521.9975631483.

Adding to 142234656 its reverse (656432241), we get a palindrome (798666897).

The spelling of 142234656 in words is "one hundred forty-two million, two hundred thirty-four thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1481611 2963222 4444833 5926444 8889666 11852888 17779332 23705776 35558664 47411552 71117328 142234656