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2050565 = 511231621
BaseRepresentation
bin111110100101000000101
310212011211212
413310220011
51011104230
6111541205
723300216
oct7645005
93764755
102050565
111180690
1282a805
1356a46a
143b540d
152a7895
hex1f4a05

2050565 has 16 divisors (see below), whose sum is σ = 2802816. Its totient is φ = 1425600.

The previous prime is 2050553. The next prime is 2050567. The reversal of 2050565 is 5650502.

It is not a de Polignac number, because 2050565 - 212 = 2046469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2050565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (175176).

22050565 is an apocalyptic number.

It is an amenable number.

2050565 is a deficient number, since it is larger than the sum of its proper divisors (752251).

2050565 is a wasteful number, since it uses less digits than its factorization.

2050565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2050565 is about 1431.9793992932. The cubic root of 2050565 is about 127.0450787542.

The spelling of 2050565 in words is "two million, fifty thousand, five hundred sixty-five".

Divisors: 1 5 11 23 55 115 253 1265 1621 8105 17831 37283 89155 186415 410113 2050565