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3145922 = 213120997
BaseRepresentation
bin1100000000000011000010
312220211101122
430000003002
51301132142
6151232242
735511533
oct14000302
95824348
103145922
11185963a
121078682
13861bc0
145bc68a
154221d2
hex3000c2

3145922 has 8 divisors (see below), whose sum is σ = 5081916. Its totient is φ = 1451952.

The previous prime is 3145913. The next prime is 3145927. The reversal of 3145922 is 2295413.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 121801 = 1739^2 + 349^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 120997 = 3145922 / (3 + 1 + 4 + 5 + 9 + 2 + 2).

It is an Ulam number.

It is a d-powerful number, because it can be written as 33 + 1 + 410 + 53 + 9 + 25 + 221 .

It is a junction number, because it is equal to n+sod(n) for n = 3145891 and 3145900.

It is not an unprimeable number, because it can be changed into a prime (3145927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60473 + ... + 60524.

Almost surely, 23145922 is an apocalyptic number.

3145922 is a deficient number, since it is larger than the sum of its proper divisors (1935994).

3145922 is a wasteful number, since it uses less digits than its factorization.

3145922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121012.

The product of its digits is 2160, while the sum is 26.

The square root of 3145922 is about 1773.6747165137. The cubic root of 3145922 is about 146.5264350639.

The spelling of 3145922 in words is "three million, one hundred forty-five thousand, nine hundred twenty-two".

Divisors: 1 2 13 26 120997 241994 1572961 3145922