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376520540 = 225112157991
BaseRepresentation
bin10110011100010…
…011111101011100
3222020111020002012
4112130103331130
51232342124130
6101210050352
712221241344
oct2634237534
9866436065
10376520540
11183599500
12a61199b8
1360010526
1438011d24
15230c6995
hex16713f5c

376520540 has 72 divisors (see below), whose sum is σ = 875527296. Its totient is φ = 135907200.

The previous prime is 376520527. The next prime is 376520567. The reversal of 376520540 is 45025673.

It is a junction number, because it is equal to n+sod(n) for n = 376520497 and 376520506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379445 + ... + 380435.

Almost surely, 2376520540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 376520540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437763648).

376520540 is an abundant number, since it is smaller than the sum of its proper divisors (499006756).

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

376520540 is a wasteful number, since it uses less digits than its factorization.

376520540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 376520540 is about 19404.1371877237. The cubic root of 376520540 is about 722.0981366132.

The spelling of 376520540 in words is "three hundred seventy-six million, five hundred twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 157 220 242 314 484 605 628 785 991 1210 1570 1727 1982 2420 3140 3454 3964 4955 6908 8635 9910 10901 17270 18997 19820 21802 34540 37994 43604 54505 75988 94985 109010 119911 155587 189970 218020 239822 311174 379940 479644 599555 622348 777935 1199110 1555870 1711457 2398220 3111740 3422914 6845828 8557285 17114570 18826027 34229140 37652054 75304108 94130135 188260270 376520540