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3028372180 = 2251743207139
BaseRepresentation
bin1011010010000001…
…0100101011010100
321211001102020122121
42310200110223110
522200230402210
61220300305324
7135021511261
oct26440245324
97731366577
103028372180
111314489929
12706242244
13393539602
1420a2b0268
1512acea6da
hexb4814ad4

3028372180 has 48 divisors (see below), whose sum is σ = 6890304960. Its totient is φ = 1113573888.

The previous prime is 3028372177. The next prime is 3028372181. The reversal of 3028372180 is 812738203.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028372181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88950 + ... + 118189.

It is an arithmetic number, because the mean of its divisors is an integer number (143548020).

Almost surely, 23028372180 is an apocalyptic number.

It is an amenable number.

3028372180 is an abundant number, since it is smaller than the sum of its proper divisors (3861932780).

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

3028372180 is a wasteful number, since it uses less digits than its factorization.

3028372180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207208 (or 207206 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3028372180 is about 55030.6476429271. The cubic root of 3028372180 is about 1446.7819525116.

The spelling of 3028372180 in words is "three billion, twenty-eight million, three hundred seventy-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 43 68 85 86 170 172 215 340 430 731 860 1462 2924 3655 7310 14620 207139 414278 828556 1035695 2071390 3521363 4142780 7042726 8906977 14085452 17606815 17813954 35213630 35627908 44534885 70427260 89069770 151418609 178139540 302837218 605674436 757093045 1514186090 3028372180