Search a number
-
+
632981037 = 31316230283
BaseRepresentation
bin100101101110101…
…000011000101101
31122010001202202010
4211232220120231
52244020343122
6142450551433
721454151523
oct4556503055
91563052663
10632981037
112a5335027
12157b98579
13a11a56c0
14600d0313
153a884e0c
hex25ba862d

632981037 has 8 divisors (see below), whose sum is σ = 908895904. Its totient is φ = 389526768.

The previous prime is 632981021. The next prime is 632981051. The reversal of 632981037 is 730189236.

632981037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 632981037 - 24 = 632981021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 16230283 = 632981037 / (6 + 3 + 2 + 9 + 8 + 1 + 0 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632980986 and 632981004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632981017) 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, 8115103 + ... + 8115180.

It is an arithmetic number, because the mean of its divisors is an integer number (113611988).

Almost surely, 2632981037 is an apocalyptic number.

It is an amenable number.

632981037 is a deficient number, since it is larger than the sum of its proper divisors (275914867).

632981037 is a wasteful number, since it uses less digits than its factorization.

632981037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230299.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 632981037 is about 25159.1143922039. The cubic root of 632981037 is about 858.6118931069.

The spelling of 632981037 in words is "six hundred thirty-two million, nine hundred eighty-one thousand, thirty-seven".

Divisors: 1 3 13 39 16230283 48690849 210993679 632981037