Base | Representation |
---|---|
bin | 111110000100100… |
… | …101000101101000 |
3 | 2200120112222121111 |
4 | 332010211011220 |
5 | 4113043403010 |
6 | 251200320104 |
7 | 34543436161 |
oct | 7604450550 |
9 | 2616488544 |
10 | 1041387880 |
11 | 494922145 |
12 | 250913034 |
13 | 13799b660 |
14 | 9c442768 |
15 | 6165958a |
hex | 3e125168 |
1041387880 has 32 divisors (see below), whose sum is σ = 2523364200. Its totient is φ = 384512256.
The previous prime is 1041387869. The next prime is 1041387911. The reversal of 1041387880 is 887831401.
It can be written as a sum of positive squares in 4 ways, for example, as 856264644 + 185123236 = 29262^2 + 13606^2 .
It is a super-2 number, since 2×10413878802 = 2168977433221788800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1000815 + ... + 1001854.
Almost surely, 21041387880 is an apocalyptic number.
1041387880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1041387880 is an abundant number, since it is smaller than the sum of its proper divisors (1481976320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1041387880 is a wasteful number, since it uses less digits than its factorization.
1041387880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2002693 (or 2002689 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 1041387880 is about 32270.5419849125. The cubic root of 1041387880 is about 1013.6098905628.
The spelling of 1041387880 in words is "one billion, forty-one million, three hundred eighty-seven thousand, eight hundred eighty".
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