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2070690 = 235233001
BaseRepresentation
bin111111001100010100010
310220012110020
413321202202
51012230230
6112214310
723412666
oct7714242
93805406
102070690
111194816
1283a396
1357667b
143bc8a6
152ad810
hex1f98a2

2070690 has 32 divisors (see below), whose sum is σ = 5187456. Its totient is φ = 528000.

The previous prime is 2070661. The next prime is 2070709. The reversal of 2070690 is 960702.

It is a super-2 number, since 2×20706902 = 8575514152200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2070690.

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 15 ways as a sum of consecutive naturals, for example, 811 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (162108).

22070690 is an apocalyptic number.

2070690 is an abundant number, since it is smaller than the sum of its proper divisors (3116766).

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

2070690 is a wasteful number, since it uses less digits than its factorization.

2070690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2070690 is about 1438.9892285907. The cubic root of 2070690 is about 127.4593488244.

The spelling of 2070690 in words is "two million, seventy thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 3001 6002 9003 15005 18006 30010 45015 69023 90030 138046 207069 345115 414138 690230 1035345 2070690