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1023025494 = 23170504249
BaseRepresentation
bin111100111110100…
…010000101010110
32122022000002011010
4330332202011112
54043343303434
6245302553050
734231400421
oct7476420526
92568002133
101023025494
11485520217
12246738786
13133c3c73a
1499c229b8
155ec2d9e9
hex3cfa2156

1023025494 has 8 divisors (see below), whose sum is σ = 2046051000. Its totient is φ = 341008496.

The previous prime is 1023025477. The next prime is 1023025519. The reversal of 1023025494 is 4945203201.

It is a sphenic number, since it is the product of 3 distinct primes.

1023025494 is an admirable number.

It is a super-2 number, since 2×10230254942 = 2093162322747888072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85252119 + ... + 85252130.

It is an arithmetic number, because the mean of its divisors is an integer number (255756375).

Almost surely, 21023025494 is an apocalyptic number.

1023025494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1023025494 is a wasteful number, since it uses less digits than its factorization.

1023025494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170504254.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1023025494 is about 31984.7697193524. The cubic root of 1023025494 is about 1007.6169986883.

Adding to 1023025494 its reverse (4945203201), we get a palindrome (5968228695).

The spelling of 1023025494 in words is "one billion, twenty-three million, twenty-five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 170504249 341008498 511512747 1023025494