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1370443345 = 51867146807
BaseRepresentation
bin101000110101111…
…0100111001010001
310112111201201211221
41101223310321101
510301313141340
6343553205041
745650401435
oct12153647121
93474651757
101370443345
11643641407
12322b60781
1318ac0052b
14d001a9c5
15804a744a
hex51af4e51

1370443345 has 8 divisors (see below), whose sum is σ = 1645424064. Its totient is φ = 1095759984.

The previous prime is 1370443337. The next prime is 1370443363. The reversal of 1370443345 is 5433440731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1370443345 - 23 = 1370443337 is a prime.

It is a super-2 number, since 2×13704433452 = 3756229923709578050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1370443345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64069 + ... + 82738.

It is an arithmetic number, because the mean of its divisors is an integer number (205678008).

Almost surely, 21370443345 is an apocalyptic number.

It is an amenable number.

1370443345 is a deficient number, since it is larger than the sum of its proper divisors (274980719).

1370443345 is a wasteful number, since it uses less digits than its factorization.

1370443345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148679.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 1370443345 is about 37019.4995238996. The cubic root of 1370443345 is about 1110.7603331617.

The spelling of 1370443345 in words is "one billion, three hundred seventy million, four hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 1867 9335 146807 734035 274088669 1370443345