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1345520153 = 18135920707
BaseRepresentation
bin101000000110011…
…0000001000011001
310110202211111122202
41100030300020121
510223423121103
6341303055545
745225506165
oct12014601031
93422744582
101345520153
1163056922a
123167415b5
131859b5293
14ca9adca5
157d1d2988
hex50330219

1345520153 has 8 divisors (see below), whose sum is σ = 1356788160. Its totient is φ = 1334294640.

The previous prime is 1345520119. The next prime is 1345520177. The reversal of 1345520153 is 3510255431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345520153 - 28 = 1345519897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345522153) 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, 54626 + ... + 75332.

It is an arithmetic number, because the mean of its divisors is an integer number (169598520).

Almost surely, 21345520153 is an apocalyptic number.

It is an amenable number.

1345520153 is a deficient number, since it is larger than the sum of its proper divisors (11268007).

1345520153 is a wasteful number, since it uses less digits than its factorization.

1345520153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21247.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1345520153 is about 36681.3324867023. The cubic root of 1345520153 is about 1103.9855839087.

Adding to 1345520153 its reverse (3510255431), we get a palindrome (4855775584).

The spelling of 1345520153 in words is "one billion, three hundred forty-five million, five hundred twenty thousand, one hundred fifty-three".

Divisors: 1 181 359 20707 64979 3747967 7433813 1345520153