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61040353 = 11171911709
BaseRepresentation
bin1110100011011…
…0011011100001
311020212011121211
43220312123201
5111111242403
610020150121
71340556133
oct350663341
9136764554
1061040353
1131501580
1218538341
13c85266a
14816d053
15555b06d
hex3a366e1

61040353 has 16 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 51923200.

The previous prime is 61040347. The next prime is 61040381. The reversal of 61040353 is 35304016.

It is a cyclic number.

It is not a de Polignac number, because 61040353 - 221 = 58943201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61040653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34863 + ... + 36571.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 261040353 is an apocalyptic number.

It is an amenable number.

61040353 is a deficient number, since it is larger than the sum of its proper divisors (9876767).

61040353 is a wasteful number, since it uses less digits than its factorization.

61040353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 61040353 is about 7812.8325849208. The cubic root of 61040353 is about 393.7365021660.

Adding to 61040353 its reverse (35304016), we get a palindrome (96344369).

The spelling of 61040353 in words is "sixty-one million, forty thousand, three hundred fifty-three".

Divisors: 1 11 17 187 191 1709 2101 3247 18799 29053 35717 319583 326419 3590609 5549123 61040353