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3040823640 = 233525340197
BaseRepresentation
bin1011010100111111…
…0100100101011000
321211220211211211210
42311033310211120
522211422324030
61221423223120
7135232401021
oct26517644530
97756754753
103040823640
111320513898
1270a447aa0
13395ca8c3a
1420bbd1c48
1512be59bb0
hexb53f4958

3040823640 has 32 divisors (see below), whose sum is σ = 9122471280. Its totient is φ = 810886272.

The previous prime is 3040823581. The next prime is 3040823657. The reversal of 3040823640 is 463280403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3040823598 and 3040823607.

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 7 ways as a sum of consecutive naturals, for example, 12669979 + ... + 12670218.

Almost surely, 23040823640 is an apocalyptic number.

3040823640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3040823640 is an abundant number, since it is smaller than the sum of its proper divisors (6081647640).

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

3040823640 is a wasteful number, since it uses less digits than its factorization.

3040823640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25340211 (or 25340207 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 3040823640 is about 55143.6636432510. The cubic root of 3040823640 is about 1448.7621047997.

The spelling of 3040823640 in words is "three billion, forty million, eight hundred twenty-three thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 25340197 50680394 76020591 101360788 126700985 152041182 202721576 253401970 304082364 380102955 506803940 608164728 760205910 1013607880 1520411820 3040823640