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2970644 = 222925609
BaseRepresentation
bin1011010101010000010100
312120220221212
423111100110
51230030034
6143400552
734151525
oct13252024
95526855
102970644
111749986
12bb3158
138001a1
1457484c
153da2ce
hex2d5414

2970644 has 12 divisors (see below), whose sum is σ = 5378100. Its totient is φ = 1434048.

The previous prime is 2970629. The next prime is 2970659. The reversal of 2970644 is 4460792.

It is an interprime number because it is at equal distance from previous prime (2970629) and next prime (2970659).

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 448900 = 1588^2 + 670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2970644.

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, 12689 + ... + 12920.

It is an arithmetic number, because the mean of its divisors is an integer number (448175).

22970644 is an apocalyptic number.

It is an amenable number.

2970644 is a deficient number, since it is larger than the sum of its proper divisors (2407456).

2970644 is a wasteful number, since it uses less digits than its factorization.

2970644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25642 (or 25640 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2970644 is about 1723.5556271847. Note that the first 3 decimals coincide. The cubic root of 2970644 is about 143.7529844371.

The spelling of 2970644 in words is "two million, nine hundred seventy thousand, six hundred forty-four".

Divisors: 1 2 4 29 58 116 25609 51218 102436 742661 1485322 2970644