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61304341 = 721251109
BaseRepresentation
bin1110100111011…
…0111000010101
311021100120202011
43221312320111
5111143214331
610025544221
71343035600
oct351667025
9137316664
1061304341
113167194a
1218645071
13c915877
1481db337
1555ae3b1
hex3a76e15

61304341 has 6 divisors (see below), whose sum is σ = 71313270. Its totient is φ = 52546536.

The previous prime is 61304333. The next prime is 61304351. The reversal of 61304341 is 14340316.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 24216241 = 6090^2 + 4921^2 .

It is not a de Polignac number, because 61304341 - 23 = 61304333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625506 + ... + 625603.

It is an arithmetic number, because the mean of its divisors is an integer number (11885545).

Almost surely, 261304341 is an apocalyptic number.

It is an amenable number.

61304341 is a deficient number, since it is larger than the sum of its proper divisors (10008929).

61304341 is a wasteful number, since it uses less digits than its factorization.

61304341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251123 (or 1251116 counting only the distinct ones).

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

The square root of 61304341 is about 7829.7088707052. The cubic root of 61304341 is about 394.3032978613.

Adding to 61304341 its reverse (14340316), we get a palindrome (75644657).

The spelling of 61304341 in words is "sixty-one million, three hundred four thousand, three hundred forty-one".

Divisors: 1 7 49 1251109 8757763 61304341