[go: up one dir, main page]

Search a number
-
+
142765530 = 23519972383
BaseRepresentation
bin10001000001001…
…10110111011010
3100221122020111020
420200212313122
5243021444110
622055543310
73352326015
oct1040466732
9327566436
10142765530
1173650946
123b98ab36
132376805b
1414d6437c
15c800d70
hex8826dda

142765530 has 32 divisors (see below), whose sum is σ = 342952704. Its totient is φ = 38035776.

The previous prime is 142765529. The next prime is 142765549. The reversal of 142765530 is 35567241.

142765530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142765491 and 142765500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58719 + ... + 61101.

It is an arithmetic number, because the mean of its divisors is an integer number (10717272).

Almost surely, 2142765530 is an apocalyptic number.

142765530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142765530 is an abundant number, since it is smaller than the sum of its proper divisors (200187174).

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

142765530 is a wasteful number, since it uses less digits than its factorization.

142765530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 142765530 is about 11948.4530379460. The cubic root of 142765530 is about 522.6461881951.

The spelling of 142765530 in words is "one hundred forty-two million, seven hundred sixty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1997 2383 3994 4766 5991 7149 9985 11915 11982 14298 19970 23830 29955 35745 59910 71490 4758851 9517702 14276553 23794255 28553106 47588510 71382765 142765530