Search a number
-
+
631330700 = 22527211131753
BaseRepresentation
bin100101101000010…
…101011110001100
31121222221220220112
4211220111132030
52243110040300
6142351335152
721434136200
oct4550253614
91558856815
10631330700
112a4408110
121575214b8
13a0a48480
145dbc0b00
153a65ae35
hex25a1578c

631330700 has 432 divisors, whose sum is σ = 2019808224. Its totient is φ = 167731200.

The previous prime is 631330697. The next prime is 631330757. The reversal of 631330700 is 7033136.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11911874 + ... + 11911926.

It is an arithmetic number, because the mean of its divisors is an integer number (4675482).

Almost surely, 2631330700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631330700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009904112).

631330700 is an abundant number, since it is smaller than the sum of its proper divisors (1388477524).

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

631330700 is a wasteful number, since it uses less digits than its factorization.

631330700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 631330700 is about 25126.2949915024. The cubic root of 631330700 is about 857.8650396374.

Adding to 631330700 its reverse (7033136), we get a palindrome (638363836).

The spelling of 631330700 in words is "six hundred thirty-one million, three hundred thirty thousand, seven hundred".