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1420951444 = 221132294351
BaseRepresentation
bin101010010110001…
…1111111110010100
310200000202210221021
41110230133332110
510402230421234
6352555530524
750132613403
oct12454377624
93600683837
101420951444
1166a0a9940
12337a59a44
13198505c93
14d6a0763a
1584b329b4
hex54b1ff94

1420951444 has 12 divisors (see below), whose sum is σ = 2712725568. Its totient is φ = 645887000.

The previous prime is 1420951439. The next prime is 1420951459. The reversal of 1420951444 is 4441590241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16147132 + ... + 16147219.

It is an arithmetic number, because the mean of its divisors is an integer number (226060464).

Almost surely, 21420951444 is an apocalyptic number.

It is an amenable number.

1420951444 is a deficient number, since it is larger than the sum of its proper divisors (1291774124).

1420951444 is a wasteful number, since it uses less digits than its factorization.

1420951444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32294366 (or 32294364 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1420951444 is about 37695.5095999510. The cubic root of 1420951444 is about 1124.2418448035.

The spelling of 1420951444 in words is "one billion, four hundred twenty million, nine hundred fifty-one thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 32294351 64588702 129177404 355237861 710475722 1420951444