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61372341 = 3273109857
BaseRepresentation
bin1110101000011…
…1011110110101
311021111001000200
43222013132311
5111202403331
610031231113
71343441052
oct352073665
9137431020
1061372341
1131708a48
1218678499
13c93a7c4
148218029
1555c45e6
hex3a877b5

61372341 has 24 divisors (see below), whose sum is σ = 90793560. Its totient is φ = 39937536.

The previous prime is 61372327. The next prime is 61372351. The reversal of 61372341 is 14327316.

61372341 is a `hidden beast` number, since 613 + 7 + 2 + 3 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30569841 + 30802500 = 5529^2 + 5550^2 .

It is not a de Polignac number, because 61372341 - 26 = 61372277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61372351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71185 + ... + 72041.

It is an arithmetic number, because the mean of its divisors is an integer number (3783065).

Almost surely, 261372341 is an apocalyptic number.

It is an amenable number.

61372341 is a deficient number, since it is larger than the sum of its proper divisors (29421219).

61372341 is a wasteful number, since it uses less digits than its factorization.

61372341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1042 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 61372341 is about 7834.0501019588. The cubic root of 61372341 is about 394.4490336892.

Adding to 61372341 its reverse (14327316), we get a palindrome (75699657).

The spelling of 61372341 in words is "sixty-one million, three hundred seventy-two thousand, three hundred forty-one".

Divisors: 1 3 9 73 109 219 327 657 857 981 2571 7713 7957 23871 62561 71613 93413 187683 280239 563049 840717 6819149 20457447 61372341