Search a number
-
+
146069885 = 5132247229
BaseRepresentation
bin10001011010011…
…01100101111101
3101011212010012202
420231031211331
5244343214020
622254441245
73422400503
oct1055154575
9334763182
10146069885
11754a8515
1240b03225
13243540b0
1415584673
15cc54e75
hex8b4d97d

146069885 has 8 divisors (see below), whose sum is σ = 188767320. Its totient is φ = 107866944.

The previous prime is 146069837. The next prime is 146069887. The reversal of 146069885 is 588960641.

It can be written as a sum of positive squares in 4 ways, for example, as 6522916 + 139546969 = 2554^2 + 11813^2 .

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 146069885 - 210 = 146068861 is a prime.

It is a super-2 number, since 2×1460698852 = 42672822607826450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146069887) 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, 1123550 + ... + 1123679.

It is an arithmetic number, because the mean of its divisors is an integer number (23595915).

Almost surely, 2146069885 is an apocalyptic number.

It is an amenable number.

146069885 is a deficient number, since it is larger than the sum of its proper divisors (42697435).

146069885 is a wasteful number, since it uses less digits than its factorization.

146069885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247247.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 146069885 is about 12085.9374894958. The cubic root of 146069885 is about 526.6477451854.

The spelling of 146069885 in words is "one hundred forty-six million, sixty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 13 65 2247229 11236145 29213977 146069885