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61130301 = 320376767
BaseRepresentation
bin1110100100110…
…0011000111101
311021000202000020
43221030120331
5111122132201
610022122353
71341412311
oct351143075
9137022006
1061130301
1131563111
12185803b9
13c88459b
148193b41
155577a36
hex3a4c63d

61130301 has 4 divisors (see below), whose sum is σ = 81507072. Its totient is φ = 40753532.

The previous prime is 61130281. The next prime is 61130309. The reversal of 61130301 is 10303116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61130301 - 25 = 61130269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10188381 + ... + 10188386.

It is an arithmetic number, because the mean of its divisors is an integer number (20376768).

Almost surely, 261130301 is an apocalyptic number.

It is an amenable number.

61130301 is a deficient number, since it is larger than the sum of its proper divisors (20376771).

61130301 is a wasteful number, since it uses less digits than its factorization.

61130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376770.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 61130301 is about 7818.5868927831. The cubic root of 61130301 is about 393.9298083279.

Adding to 61130301 its reverse (10303116), we get a palindrome (71433417).

The spelling of 61130301 in words is "sixty-one million, one hundred thirty thousand, three hundred one".

Divisors: 1 3 20376767 61130301