Search a number
-
+
1330948 = 222291453
BaseRepresentation
bin101000100111100000100
32111121201101
411010330010
5320042243
644305444
714212213
oct5047404
92447641
101330948
11829a63
12542284
13377a58
1426907a
151b454d
hex144f04

1330948 has 12 divisors (see below), whose sum is σ = 2340940. Its totient is φ = 662112.

The previous prime is 1330943. The next prime is 1330957. The reversal of 1330948 is 8490331.

It can be written as a sum of positive squares in 2 ways, for example, as 1272384 + 58564 = 1128^2 + 242^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1330943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 1642.

21330948 is an apocalyptic number.

It is an amenable number.

1330948 is a deficient number, since it is larger than the sum of its proper divisors (1009992).

1330948 is a wasteful number, since it uses less digits than its factorization.

1330948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1330948 is about 1153.6671963786. The cubic root of 1330948 is about 109.9985674745.

It can be divided in two parts, 1330 and 948, that added together give a triangular number (2278 = T67).

The spelling of 1330948 in words is "one million, three hundred thirty thousand, nine hundred forty-eight".

Divisors: 1 2 4 229 458 916 1453 2906 5812 332737 665474 1330948