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1023022540 = 22551151127
BaseRepresentation
bin111100111110100…
…001010111001100
32122021222221002201
4330332201113030
54043343210130
6245302531244
734231356001
oct7476412714
92567887081
101023022540
11485518a81
12246736b24
13133c3b2a7
1499c218a8
155ec2cbca
hex3cfa15cc

1023022540 has 12 divisors (see below), whose sum is σ = 2148347376. Its totient is φ = 409209008.

The previous prime is 1023022523. The next prime is 1023022541. The reversal of 1023022540 is 452203201.

It is not an unprimeable number, because it can be changed into a prime (1023022541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25575544 + ... + 25575583.

It is an arithmetic number, because the mean of its divisors is an integer number (179028948).

Almost surely, 21023022540 is an apocalyptic number.

1023022540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023022540 is an abundant number, since it is smaller than the sum of its proper divisors (1125324836).

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

1023022540 is a wasteful number, since it uses less digits than its factorization.

1023022540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51151136 (or 51151134 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1023022540 is about 31984.7235410907. The cubic root of 1023022540 is about 1007.6160288514.

Adding to 1023022540 its reverse (452203201), we get a palindrome (1475225741).

The spelling of 1023022540 in words is "one billion, twenty-three million, twenty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 51151127 102302254 204604508 255755635 511511270 1023022540