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1513425442 = 21744999137
BaseRepresentation
bin101101000110101…
…0000101000100010
310220110202222102011
41122031100220202
511044414103232
6410101543134
752334622034
oct13215205042
93813688364
101513425442
1170731aa31
12362a14aaa
131b1713019
14104dd9c54
158ccec547
hex5a350a22

1513425442 has 16 divisors (see below), whose sum is σ = 2409053400. Its totient is φ = 710606848.

The previous prime is 1513425439. The next prime is 1513425451. The reversal of 1513425442 is 2445243151.

It can be written as a sum of positive squares in 4 ways, for example, as 1190181001 + 323244441 = 34499^2 + 17979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34303 + ... + 64834.

Almost surely, 21513425442 is an apocalyptic number.

1513425442 is a deficient number, since it is larger than the sum of its proper divisors (895627958).

1513425442 is a wasteful number, since it uses less digits than its factorization.

1513425442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99605.

The product of its digits is 19200, while the sum is 31.

The square root of 1513425442 is about 38902.7690788201. The cubic root of 1513425442 is about 1148.1192805641.

Adding to 1513425442 its reverse (2445243151), we get a palindrome (3958668593).

The spelling of 1513425442 in words is "one billion, five hundred thirteen million, four hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 17 34 449 898 7633 15266 99137 198274 1685329 3370658 44512513 89025026 756712721 1513425442