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2070520 = 235371399
BaseRepresentation
bin111111001011111111000
310220012012221
413321133320
51012224040
6112213424
723412334
oct7713770
93805187
102070520
111194681
1283a274
1357657a
143bc7c4
152ad74a
hex1f97f8

2070520 has 32 divisors (see below), whose sum is σ = 4788000. Its totient is φ = 805248.

The previous prime is 2070517. The next prime is 2070527. The reversal of 2070520 is 250702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2070494 and 2070503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781 + ... + 2179.

It is an arithmetic number, because the mean of its divisors is an integer number (149625).

22070520 is an apocalyptic number.

2070520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2070520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394000).

2070520 is an abundant number, since it is smaller than the sum of its proper divisors (2717480).

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

2070520 is a wasteful number, since it uses less digits than its factorization.

2070520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 2070520 is about 1438.9301581383. The cubic root of 2070520 is about 127.4558606663.

The spelling of 2070520 in words is "two million, seventy thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1399 1480 2798 5596 6995 11192 13990 27980 51763 55960 103526 207052 258815 414104 517630 1035260 2070520