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2064990 = 235174049
BaseRepresentation
bin111111000001001011110
310212220122010
413320021132
51012034430
6112132050
723360244
oct7701136
93786563
102064990
111190504
12837026
13573bb5
143ba794
152abcb0
hex1f825e

2064990 has 32 divisors (see below), whose sum is σ = 5248800. Its totient is φ = 518144.

The previous prime is 2064983. The next prime is 2065031. The reversal of 2064990 is 994602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (164025).

22064990 is an apocalyptic number.

2064990 is an abundant number, since it is smaller than the sum of its proper divisors (3183810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2064990 is a wasteful number, since it uses less digits than its factorization.

2064990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2064990 is about 1437.0073068708. The cubic root of 2064990 is about 127.3422886593.

The spelling of 2064990 in words is "two million, sixty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 4049 8098 12147 20245 24294 40490 60735 68833 121470 137666 206499 344165 412998 688330 1032495 2064990