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5371945 = 51074389
BaseRepresentation
bin10100011111100000101001
3101002220220221
4110133200221
52333400240
6311050041
763442435
oct24374051
911086827
105371945
11303a027
121970921
131161187
149db9c5
15711a4a
hex51f829

5371945 has 4 divisors (see below), whose sum is σ = 6446340. Its totient is φ = 4297552.

The previous prime is 5371937. The next prime is 5371963. The reversal of 5371945 is 5491735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 2178576 = 1787^2 + 1476^2 .

It is a cyclic number.

It is not a de Polignac number, because 5371945 - 23 = 5371937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5371945.

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 3 ways as a sum of consecutive naturals, for example, 537190 + ... + 537199.

It is an arithmetic number, because the mean of its divisors is an integer number (1611585).

Almost surely, 25371945 is an apocalyptic number.

It is an amenable number.

5371945 is a deficient number, since it is larger than the sum of its proper divisors (1074395).

5371945 is a wasteful number, since it uses less digits than its factorization.

5371945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074394.

The product of its digits is 18900, while the sum is 34.

The square root of 5371945 is about 2317.7456719839. The cubic root of 5371945 is about 175.1367095016.

The spelling of 5371945 in words is "five million, three hundred seventy-one thousand, nine hundred forty-five".

Divisors: 1 5 1074389 5371945