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61134441 = 320378147
BaseRepresentation
bin1110100100110…
…1011001101001
311021000221200120
43221031121221
5111122300231
610022153453
71341430344
oct351153151
9137027616
1061134441
1131566235
1218582889
13c886434
14819545b
155578d96
hex3a4d669

61134441 has 4 divisors (see below), whose sum is σ = 81512592. Its totient is φ = 40756292.

The previous prime is 61134439. The next prime is 61134467. The reversal of 61134441 is 14443116.

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 61134441 - 21 = 61134439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61134421) 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, 10189071 + ... + 10189076.

It is an arithmetic number, because the mean of its divisors is an integer number (20378148).

Almost surely, 261134441 is an apocalyptic number.

It is an amenable number.

61134441 is a deficient number, since it is larger than the sum of its proper divisors (20378151).

61134441 is a wasteful number, since it uses less digits than its factorization.

61134441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378150.

The product of its digits is 1152, while the sum is 24.

The square root of 61134441 is about 7818.8516420252. The cubic root of 61134441 is about 393.9387009860.

Adding to 61134441 its reverse (14443116), we get a palindrome (75577557).

The spelling of 61134441 in words is "sixty-one million, one hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 3 20378147 61134441