Search a number
-
+
142767320 = 23535310111
BaseRepresentation
bin10001000001001…
…11010011011000
3100221122022221112
420200213103120
5243022023240
622055555452
73352334153
oct1040472330
9327568845
10142767320
1173652223
123b98bb88
1323768b07
1414d64c9a
15c801665
hex88274d8

142767320 has 32 divisors (see below), whose sum is σ = 322168320. Its totient is φ = 56939520.

The previous prime is 142767301. The next prime is 142767347. The reversal of 142767320 is 23767241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9065 + ... + 19175.

It is an arithmetic number, because the mean of its divisors is an integer number (10067760).

Almost surely, 2142767320 is an apocalyptic number.

142767320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142767320 is an abundant number, since it is smaller than the sum of its proper divisors (179401000).

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

142767320 is a wasteful number, since it uses less digits than its factorization.

142767320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475 (or 10471 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 142767320 is about 11948.5279428053. The cubic root of 142767320 is about 522.6483725057.

The spelling of 142767320 in words is "one hundred forty-two million, seven hundred sixty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 353 706 1412 1765 2824 3530 7060 10111 14120 20222 40444 50555 80888 101110 202220 404440 3569183 7138366 14276732 17845915 28553464 35691830 71383660 142767320