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1143419407 = 13314365983
BaseRepresentation
bin100010000100111…
…0011001000001111
32221200112201112221
41010021303020033
54320203410112
6305243240211
740222622164
oct10411631017
92850481487
101143419407
11537480a19
1227ab19067
13152b73a40
14abc0206b
156a5b0e07
hex4427320f

1143419407 has 16 divisors (see below), whose sum is σ = 1300676608. Its totient is φ = 997647840.

The previous prime is 1143419393. The next prime is 1143419419. The reversal of 1143419407 is 7049143411.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1143419407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143419467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15663 + ... + 50320.

It is an arithmetic number, because the mean of its divisors is an integer number (81292288).

Almost surely, 21143419407 is an apocalyptic number.

1143419407 is a deficient number, since it is larger than the sum of its proper divisors (157257201).

1143419407 is a wasteful number, since it uses less digits than its factorization.

1143419407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66070.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1143419407 is about 33814.4851653844. The cubic root of 1143419407 is about 1045.6873470714.

The spelling of 1143419407 in words is "one billion, one hundred forty-three million, four hundred nineteen thousand, four hundred seven".

Divisors: 1 13 31 43 403 559 1333 17329 65983 857779 2045473 2837269 26591149 36884497 87955339 1143419407