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2072641 = 17911579
BaseRepresentation
bin111111010000001000001
310220022010111
413322001001
51012311031
6112231321
723421454
oct7720101
93808114
102072641
11119622a
1283b541
1357751c
143bd49b
152ae1b1
hex1fa041

2072641 has 4 divisors (see below), whose sum is σ = 2084400. Its totient is φ = 2060884.

The previous prime is 2072617. The next prime is 2072647. The reversal of 2072641 is 1462702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2072641 - 29 = 2072129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (521100).

22072641 is an apocalyptic number.

It is an amenable number.

2072641 is a deficient number, since it is larger than the sum of its proper divisors (11759).

2072641 is a wasteful number, since it uses less digits than its factorization.

2072641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2072641 is about 1439.6669753801. Note that the first 3 decimals coincide. The cubic root of 2072641 is about 127.4993669070.

The spelling of 2072641 in words is "two million, seventy-two thousand, six hundred forty-one".

Divisors: 1 179 11579 2072641