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1057214860 = 225136196569
BaseRepresentation
bin111111000000111…
…101000110001100
32201200100002010221
4333000331012030
54131121333420
6252523441124
735125115032
oct7700750614
92650302127
101057214860
114a2852199
122560861a4
1313b050530
14a05a2552
1562c33caa
hex3f03d18c

1057214860 has 48 divisors (see below), whose sum is σ = 2395159200. Its totient is φ = 389666304.

The previous prime is 1057214839. The next prime is 1057214861. The reversal of 1057214860 is 684127501.

1057214860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10572148602 = 2235406520409639200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057214861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157656 + ... + 164224.

It is an arithmetic number, because the mean of its divisors is an integer number (49899150).

Almost surely, 21057214860 is an apocalyptic number.

1057214860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057214860 is an abundant number, since it is smaller than the sum of its proper divisors (1337944340).

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

1057214860 is a wasteful number, since it uses less digits than its factorization.

1057214860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1057214860 is about 32514.8406116346. The cubic root of 1057214860 is about 1018.7190314648.

The spelling of 1057214860 in words is "one billion, fifty-seven million, two hundred fourteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 619 1238 2476 3095 6190 6569 8047 12380 13138 16094 26276 32188 32845 40235 65690 80470 85397 131380 160940 170794 341588 426985 853970 1707940 4066211 8132422 16264844 20331055 40662110 52860743 81324220 105721486 211442972 264303715 528607430 1057214860