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1401444022 = 21125791091
BaseRepresentation
bin101001110001000…
…0101011010110110
310121200001201210011
41103202011122312
510332232202042
6351021450434
746505035426
oct12342053266
93550051704
101401444022
1165a095700
12331410a1a
13194465b24
14d41aa486
158307ca17
hex538856b6

1401444022 has 12 divisors (see below), whose sum is σ = 2310645708. Its totient is φ = 637019900.

The previous prime is 1401444019. The next prime is 1401444043. The reversal of 1401444022 is 2204441041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1401443984 and 1401444002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2895304 + ... + 2895787.

It is an arithmetic number, because the mean of its divisors is an integer number (192553809).

Almost surely, 21401444022 is an apocalyptic number.

1401444022 is a deficient number, since it is larger than the sum of its proper divisors (909201686).

1401444022 is a wasteful number, since it uses less digits than its factorization.

1401444022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791115 (or 5791104 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1401444022 is about 37435.8654501268. The cubic root of 1401444022 is about 1119.0734316907.

Adding to 1401444022 its reverse (2204441041), we get a palindrome (3605885063).

The spelling of 1401444022 in words is "one billion, four hundred one million, four hundred forty-four thousand, twenty-two".

Divisors: 1 2 11 22 121 242 5791091 11582182 63702001 127404002 700722011 1401444022