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1014443421 = 31958730319
BaseRepresentation
bin111100011101110…
…010110110011101
32121200212001202120
4330131302312131
54034144142141
6244355013153
734065424665
oct7435626635
92550761676
101014443421
114806993a2
1224389a1b9
131322263a4
1498a2b1a5
155e0d5c66
hex3c772d9d

1014443421 has 16 divisors (see below), whose sum is σ = 1426252800. Its totient is φ = 639588528.

The previous prime is 1014443399. The next prime is 1014443447. The reversal of 1014443421 is 1243444101.

It is not a de Polignac number, because 1014443421 - 218 = 1014181277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1014443391 and 1014443400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014443021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18300 + ... + 48618.

It is an arithmetic number, because the mean of its divisors is an integer number (89140800).

Almost surely, 21014443421 is an apocalyptic number.

It is an amenable number.

1014443421 is a deficient number, since it is larger than the sum of its proper divisors (411809379).

1014443421 is a wasteful number, since it uses less digits than its factorization.

1014443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30928.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1014443421 is about 31850.3284284480. The cubic root of 1014443421 is about 1004.7914787302.

Adding to 1014443421 its reverse (1243444101), we get a palindrome (2257887522).

The spelling of 1014443421 in words is "one billion, fourteen million, four hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 3 19 57 587 1761 11153 30319 33459 90957 576061 1728183 17797253 53391759 338147807 1014443421