Search a number
-
+
1320233022 = 2321731139177
BaseRepresentation
bin100111010110001…
…0010100000111110
310102000020210020100
41032230102200332
510200434424042
6335001101530
744500536603
oct11654224076
93360223210
101320233022
11618267679
1230a1878a6
131806a0494
14c74aa6aa
157ad8a24c
hex4eb1283e

1320233022 has 48 divisors (see below), whose sum is σ = 3126494592. Its totient is φ = 400826880.

The previous prime is 1320232967. The next prime is 1320233023. The reversal of 1320233022 is 2203320231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320232986 and 1320233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320233023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60103 + ... + 79074.

It is an arithmetic number, because the mean of its divisors is an integer number (65135304).

Almost surely, 21320233022 is an apocalyptic number.

1320233022 is an abundant number, since it is smaller than the sum of its proper divisors (1806261570).

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

1320233022 is a wasteful number, since it uses less digits than its factorization.

1320233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139233 (or 139230 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1320233022 is about 36335.0109673852. The cubic root of 1320233022 is about 1097.0258562134.

Adding to 1320233022 its reverse (2203320231), we get a palindrome (3523553253).

The spelling of 1320233022 in words is "one billion, three hundred twenty million, two hundred thirty-three thousand, twenty-two".

Divisors: 1 2 3 6 9 17 18 31 34 51 62 93 102 153 186 279 306 527 558 1054 1581 3162 4743 9486 139177 278354 417531 835062 1252593 2366009 2505186 4314487 4732018 7098027 8628974 12943461 14196054 21294081 25886922 38830383 42588162 73346279 77660766 146692558 220038837 440077674 660116511 1320233022