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1402044444 = 223312981893
BaseRepresentation
bin101001110010001…
…1000000000011100
310121201012020102000
41103210120000130
510332410410234
6351042402300
746513116063
oct12344300034
93551166360
101402044444
1165a465819
12331660390
131946161c8
14d42c51da
158314a899
hex5391801c

1402044444 has 24 divisors (see below), whose sum is σ = 3634930320. Its totient is φ = 467348112.

The previous prime is 1402044421. The next prime is 1402044461. The reversal of 1402044444 is 4444402041.

1402044444 is a `hidden beast` number, since 14 + 0 + 204 + 4 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

1402044444 is a modest number, since divided by 44444 gives 14020 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6490839 + ... + 6491054.

It is an arithmetic number, because the mean of its divisors is an integer number (151455430).

Almost surely, 21402044444 is an apocalyptic number.

It is an amenable number.

1402044444 is an abundant number, since it is smaller than the sum of its proper divisors (2232885876).

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

1402044444 is a wasteful number, since it uses less digits than its factorization.

1402044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981906 (or 12981898 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1402044444 is about 37443.8839331606. The cubic root of 1402044444 is about 1119.2332241057.

Adding to 1402044444 its reverse (4444402041), we get a palindrome (5846446485).

The spelling of 1402044444 in words is "one billion, four hundred two million, forty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 12981893 25963786 38945679 51927572 77891358 116837037 155782716 233674074 350511111 467348148 701022222 1402044444