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2970638 = 211135029
BaseRepresentation
bin1011010101010000001110
312120220221122
423111100032
51230030023
6143400542
734151516
oct13252016
95526848
102970638
111749980
12bb3152
13800198
14574846
153da2c8
hex2d540e

2970638 has 8 divisors (see below), whose sum is σ = 4861080. Its totient is φ = 1350280.

The previous prime is 2970629. The next prime is 2970659. The reversal of 2970638 is 8360792.

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

It is a junction number, because it is equal to n+sod(n) for n = 2970598 and 2970607.

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, 67493 + ... + 67536.

It is an arithmetic number, because the mean of its divisors is an integer number (607635).

22970638 is an apocalyptic number.

2970638 is a deficient number, since it is larger than the sum of its proper divisors (1890442).

2970638 is a wasteful number, since it uses less digits than its factorization.

2970638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135042.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2970638 is about 1723.5538865959. The cubic root of 2970638 is about 143.7528876547.

The spelling of 2970638 in words is "two million, nine hundred seventy thousand, six hundred thirty-eight".

Divisors: 1 2 11 22 135029 270058 1485319 2970638