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1230433444 = 222287134503
BaseRepresentation
bin100100101010110…
…1110110010100100
310011202021111101001
41021111232302210
510004442332234
6322032243044
742330340342
oct11125566244
93152244331
101230433444
11581602949
122a40a0484
13167bbb836
14b95b2992
157304cd14
hex4956eca4

1230433444 has 12 divisors (see below), whose sum is σ = 2154216064. Its totient is φ = 614943144.

The previous prime is 1230433403. The next prime is 1230433447. The reversal of 1230433444 is 4443340321.

It is a super-2 number, since 2×12304334442 = 3027932920227402272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230433447) 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, 58104 + ... + 76399.

Almost surely, 21230433444 is an apocalyptic number.

It is an amenable number.

1230433444 is a deficient number, since it is larger than the sum of its proper divisors (923782620).

1230433444 is a wasteful number, since it uses less digits than its factorization.

1230433444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136794 (or 136792 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1230433444 is about 35077.5347480407. The cubic root of 1230433444 is about 1071.5671112216.

Adding to 1230433444 its reverse (4443340321), we get a palindrome (5673773765).

The spelling of 1230433444 in words is "one billion, two hundred thirty million, four hundred thirty-three thousand, four hundred forty-four".

Divisors: 1 2 4 2287 4574 9148 134503 269006 538012 307608361 615216722 1230433444