Search a number
-
+
240148428 = 223132366931
BaseRepresentation
bin11100101000001…
…01111111001100
3121201212210201020
432110011333030
5442434222203
635455114140
75644141122
oct1624057714
9551783636
10240148428
11113615083
1268512950
133a9a3580
1423c73912
151613a153
hexe505fcc

240148428 has 48 divisors (see below), whose sum is σ = 629696256. Its totient is φ = 70678080.

The previous prime is 240148411. The next prime is 240148453. The reversal of 240148428 is 824841042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29878 + ... + 37053.

It is an arithmetic number, because the mean of its divisors is an integer number (13118672).

Almost surely, 2240148428 is an apocalyptic number.

It is an amenable number.

240148428 is an abundant number, since it is smaller than the sum of its proper divisors (389547828).

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

240148428 is a wasteful number, since it uses less digits than its factorization.

240148428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66974 (or 66972 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 240148428 is about 15496.7231374894. The cubic root of 240148428 is about 621.5745859859.

The spelling of 240148428 in words is "two hundred forty million, one hundred forty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3588 66931 133862 200793 267724 401586 803172 870103 1539413 1740206 2610309 3078826 3480412 4618239 5220618 6157652 9236478 10441236 18472956 20012369 40024738 60037107 80049476 120074214 240148428