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2070920 = 235232251
BaseRepresentation
bin111111001100110001000
310220012202202
413321212020
51012232140
6112215332
723413445
oct7714610
93805682
102070920
111194a05
1283a548
135767c7
143bc9cc
152ad915
hex1f9988

2070920 has 32 divisors (see below), whose sum is σ = 4864320. Its totient is φ = 792000.

The previous prime is 2070911. The next prime is 2070931. The reversal of 2070920 is 290702.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2070892 and 2070901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (152010).

22070920 is an apocalyptic number.

2070920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2070920 is an abundant number, since it is smaller than the sum of its proper divisors (2793400).

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

2070920 is a wasteful number, since it uses less digits than its factorization.

2070920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2070920 is about 1439.0691435786. The cubic root of 2070920 is about 127.4640677932.

It can be divided in two parts, 2070 and 920, that multiplied together give a square (1904400 = 13802).

The spelling of 2070920 in words is "two million, seventy thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 2251 4502 9004 11255 18008 22510 45020 51773 90040 103546 207092 258865 414184 517730 1035460 2070920