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2051069 = 19107951
BaseRepresentation
bin111110100101111111101
310212012112112
413310233331
51011113234
6111543405
723301536
oct7645775
93765475
102051069
111180aa9
1282ab65
1356a767
143b568d
152a7ace
hex1f4bfd

2051069 has 4 divisors (see below), whose sum is σ = 2159040. Its totient is φ = 1943100.

The previous prime is 2051059. The next prime is 2051087. The reversal of 2051069 is 9601502.

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 2051069 - 28 = 2050813 is a prime.

It is a super-2 number, since 2×20510692 = 8413768085522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051059) 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, 53957 + ... + 53994.

It is an arithmetic number, because the mean of its divisors is an integer number (539760).

22051069 is an apocalyptic number.

It is an amenable number.

2051069 is a deficient number, since it is larger than the sum of its proper divisors (107971).

2051069 is a wasteful number, since it uses less digits than its factorization.

2051069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107970.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2051069 is about 1432.1553686664. The cubic root of 2051069 is about 127.0554865320.

The spelling of 2051069 in words is "two million, fifty-one thousand, sixty-nine".

Divisors: 1 19 107951 2051069