Search a number
-
+
1330431032 = 237173313709
BaseRepresentation
bin100111101001100…
…1100010000111000
310102201102220021102
41033103030100320
510211042243112
6340003430532
744653322450
oct11723142070
93381386242
101330431032
11622aa2587
12311685448
131828311c8
14c89a2d60
157bc01bc2
hex4f4cc438

1330431032 has 32 divisors (see below), whose sum is σ = 2852776800. Its totient is φ = 569814144.

The previous prime is 1330430971. The next prime is 1330431041. The reversal of 1330431032 is 2301340331.

It is a junction number, because it is equal to n+sod(n) for n = 1330430995 and 1330431013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90194 + ... + 103902.

It is an arithmetic number, because the mean of its divisors is an integer number (89149275).

Almost surely, 21330431032 is an apocalyptic number.

It is an amenable number.

1330431032 is an abundant number, since it is smaller than the sum of its proper divisors (1522345768).

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

1330431032 is a wasteful number, since it uses less digits than its factorization.

1330431032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15455 (or 15451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1330431032 is about 36475.0741191845. The cubic root of 1330431032 is about 1099.8432371647.

Adding to 1330431032 its reverse (2301340331), we get a palindrome (3631771363).

The spelling of 1330431032 in words is "one billion, three hundred thirty million, four hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 1733 3466 6932 12131 13709 13864 24262 27418 48524 54836 95963 97048 109672 191926 383852 767704 23757697 47515394 95030788 166303879 190061576 332607758 665215516 1330431032