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132420613 = 1373139537
BaseRepresentation
bin1111110010010…
…01010000000101
3100020011122221011
413321021100011
5232344424423
621050122221
73165361633
oct771112005
9306148834
10132420613
1168825626
1238420371
13215854c0
1413830353
15b95ab0d
hex7e49405

132420613 has 8 divisors (see below), whose sum is σ = 144561368. Its totient is φ = 120559104.

The previous prime is 132420593. The next prime is 132420619. The reversal of 132420613 is 316024231.

It can be written as a sum of positive squares in 4 ways, for example, as 16793604 + 115627009 = 4098^2 + 10753^2 .

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 132420613 - 213 = 132412421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132420619) 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, 68820 + ... + 70717.

It is an arithmetic number, because the mean of its divisors is an integer number (18070171).

Almost surely, 2132420613 is an apocalyptic number.

132420613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132420613 is a deficient number, since it is larger than the sum of its proper divisors (12140755).

132420613 is a wasteful number, since it uses less digits than its factorization.

132420613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139623.

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

The square root of 132420613 is about 11507.4155656255. The cubic root of 132420613 is about 509.7045745139.

Adding to 132420613 its reverse (316024231), we get a palindrome (448444844).

The spelling of 132420613 in words is "one hundred thirty-two million, four hundred twenty thousand, six hundred thirteen".

Divisors: 1 13 73 949 139537 1813981 10186201 132420613