Search a number
-
+
147610640 = 2451845133
BaseRepresentation
bin10001100110001…
…01110000010000
3101021202101201202
420303011300100
5300242020030
622351450332
73441445502
oct1063056020
9337671652
10147610640
1176360071
12415269a8
1324773498
1415865d72
15ce5b745
hex8cc5c10

147610640 has 20 divisors (see below), whose sum is σ = 343194924. Its totient is φ = 59044224.

The previous prime is 147610607. The next prime is 147610651. The reversal of 147610640 is 46016741.

147610640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 132618256 = 3872^2 + 11516^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 922487 + ... + 922646.

Almost surely, 2147610640 is an apocalyptic number.

147610640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147610640 is an abundant number, since it is smaller than the sum of its proper divisors (195584284).

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

147610640 is a wasteful number, since it uses less digits than its factorization.

147610640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845146 (or 1845140 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 147610640 is about 12149.5119243532. The cubic root of 147610640 is about 528.4929777478.

The spelling of 147610640 in words is "one hundred forty-seven million, six hundred ten thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1845133 3690266 7380532 9225665 14761064 18451330 29522128 36902660 73805320 147610640