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1030486856 = 23728929537
BaseRepresentation
bin111101011010111…
…111101101001000
32122211001011012212
4331122333231020
54102301034411
6250130524252
734351664600
oct7532775510
92584034185
101030486856
11489757033
12249136688
13135652949
149ac05c00
156070468b
hex3d6bfb48

1030486856 has 48 divisors (see below), whose sum is σ = 2272949100. Its totient is φ = 436660224.

The previous prime is 1030486837. The next prime is 1030486859. The reversal of 1030486856 is 6586840301.

It can be written as a sum of positive squares in 2 ways, for example, as 759884356 + 270602500 = 27566^2 + 16450^2 .

It is not an unprimeable number, because it can be changed into a prime (1030486859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20120 + ... + 49656.

Almost surely, 21030486856 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 1030486856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136474550).

1030486856 is an abundant number, since it is smaller than the sum of its proper divisors (1242462244).

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

1030486856 is a wasteful number, since it uses less digits than its factorization.

1030486856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29646 (or 29635 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1030486856 is about 32101.1971116343. The cubic root of 1030486856 is about 1010.0607276494.

The spelling of 1030486856 in words is "one billion, thirty million, four hundred eighty-six thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 49 56 89 98 178 196 356 392 623 712 1246 2492 4361 4984 8722 17444 29537 34888 59074 118148 206759 236296 413518 827036 1447313 1654072 2628793 2894626 5257586 5789252 10515172 11578504 18401551 21030344 36803102 73606204 128810857 147212408 257621714 515243428 1030486856