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1023304140 = 223255685023
BaseRepresentation
bin111100111111100…
…110000111001100
32122022112020101100
4330333212013030
54043431213030
6245312543100
734233640665
oct7477460714
92568466340
101023304140
114856a0601
12246851a90
13134009511
1499c9636c
155ec86360
hex3cfe61cc

1023304140 has 36 divisors (see below), whose sum is σ = 3104023104. Its totient is φ = 272881056.

The previous prime is 1023304129. The next prime is 1023304187. The reversal of 1023304140 is 414033201.

1023304140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10233041402 = 2094302725882279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2842332 + ... + 2842691.

It is an arithmetic number, because the mean of its divisors is an integer number (86222864).

Almost surely, 21023304140 is an apocalyptic number.

1023304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023304140 is an abundant number, since it is smaller than the sum of its proper divisors (2080718964).

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

1023304140 is a wasteful number, since it uses less digits than its factorization.

1023304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685038 (or 5685033 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1023304140 is about 31989.1253397151. The cubic root of 1023304140 is about 1007.7084734235.

Adding to 1023304140 its reverse (414033201), we get a palindrome (1437337341).

The spelling of 1023304140 in words is "one billion, twenty-three million, three hundred four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5685023 11370046 17055069 22740092 28425115 34110138 51165207 56850230 68220276 85275345 102330414 113700460 170550690 204660828 255826035 341101380 511652070 1023304140