Search a number
-
+
144270652 = 22311163473
BaseRepresentation
bin10001001100101…
…10010100111100
3101001110201010111
420212112110330
5243413130102
622152115404
73401165101
oct1046262474
9331421114
10144270652
1174489749
1240395b64
1323b74166
1415236aa8
15c9ebcd7
hex899653c

144270652 has 12 divisors (see below), whose sum is σ = 260618176. Its totient is φ = 69808320.

The previous prime is 144270647. The next prime is 144270661. The reversal of 144270652 is 256072441.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 581613 + ... + 581860.

Almost surely, 2144270652 is an apocalyptic number.

It is an amenable number.

144270652 is a deficient number, since it is larger than the sum of its proper divisors (116347524).

144270652 is a wasteful number, since it uses less digits than its factorization.

144270652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163508 (or 1163506 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 144270652 is about 12011.2718727036. The cubic root of 144270652 is about 524.4764570708.

The spelling of 144270652 in words is "one hundred forty-four million, two hundred seventy thousand, six hundred fifty-two".

Divisors: 1 2 4 31 62 124 1163473 2326946 4653892 36067663 72135326 144270652