Search a number
-
+
630157372 = 221341295571
BaseRepresentation
bin100101100011110…
…111000000111100
31121220202022101221
4211203313000330
52242310013442
6142310243124
721421151335
oct4543670074
91556668357
10630157372
112a3786619
121570564a4
13a07273b0
145d99728c
153a4c8467
hex258f703c

630157372 has 24 divisors (see below), whose sum is σ = 1216574352. Its totient is φ = 283747200.

The previous prime is 630157369. The next prime is 630157373. The reversal of 630157372 is 273751036.

630157372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630157373) 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, 145654 + ... + 149917.

It is an arithmetic number, because the mean of its divisors is an integer number (50690598).

Almost surely, 2630157372 is an apocalyptic number.

It is an amenable number.

630157372 is a deficient number, since it is larger than the sum of its proper divisors (586416980).

630157372 is a wasteful number, since it uses less digits than its factorization.

630157372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295629 (or 295627 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 630157372 is about 25102.9355255516. The cubic root of 630157372 is about 857.3332627214. Note that the first 3 decimals are identical.

The spelling of 630157372 in words is "six hundred thirty million, one hundred fifty-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 41 52 82 164 533 1066 2132 295571 591142 1182284 3842423 7684846 12118411 15369692 24236822 48473644 157539343 315078686 630157372