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1023316240 = 24521160623
BaseRepresentation
bin111100111111101…
…001000100010000
32122022112211222111
4330333221010100
54043432104430
6245313115104
734234021162
oct7477510420
92568484874
101023316240
114856a9701
12246858a94
13134011b8b
1499c9a932
155ec89c2a
hex3cfe9110

1023316240 has 40 divisors (see below), whose sum is σ = 2390525568. Its totient is φ = 407379840.

The previous prime is 1023316211. The next prime is 1023316249. The reversal of 1023316240 is 426133201.

1023316240 is digitally balanced in base 2, 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 (40).

It is a super-2 number, since 2×10233162402 = 2094352254095475200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023316249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13432 + ... + 47191.

Almost surely, 21023316240 is an apocalyptic number.

1023316240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023316240 is an abundant number, since it is smaller than the sum of its proper divisors (1367209328).

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

1023316240 is a wasteful number, since it uses less digits than its factorization.

1023316240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60847 (or 60841 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1023316240 is about 31989.3144659275. The cubic root of 1023316240 is about 1007.7124452712.

Adding to 1023316240 its reverse (426133201), we get a palindrome (1449449441).

The spelling of 1023316240 in words is "one billion, twenty-three million, three hundred sixteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 211 422 844 1055 1688 2110 3376 4220 8440 16880 60623 121246 242492 303115 484984 606230 969968 1212460 2424920 4849840 12791453 25582906 51165812 63957265 102331624 127914530 204663248 255829060 511658120 1023316240