Search a number
-
+
331473860 = 225101316361
BaseRepresentation
bin10011110000011…
…110001111000100
3212002201121122122
4103300132033010
51134324130420
652520345112
711133324044
oct2360361704
9762647578
10331473860
11160121243
1293015198
135389a8a3
1432047724
151e179725
hex13c1e3c4

331473860 has 24 divisors (see below), whose sum is σ = 696824856. Its totient is φ = 132450560.

The previous prime is 331473853. The next prime is 331473869. The reversal of 331473860 is 68374133.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3936256 + 327537604 = 1984^2 + 18098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331473860.

It is not an unprimeable number, because it can be changed into a prime (331473869) 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, 12080 + ... + 28440.

It is an arithmetic number, because the mean of its divisors is an integer number (29034369).

Almost surely, 2331473860 is an apocalyptic number.

It is an amenable number.

331473860 is an abundant number, since it is smaller than the sum of its proper divisors (365350996).

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

331473860 is a wasteful number, since it uses less digits than its factorization.

331473860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17383 (or 17381 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 331473860 is about 18206.4235916887. The cubic root of 331473860 is about 692.0695826986.

The spelling of 331473860 in words is "three hundred thirty-one million, four hundred seventy-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 1013 2026 4052 5065 10130 16361 20260 32722 65444 81805 163610 327220 16573693 33147386 66294772 82868465 165736930 331473860