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61894303 = 374633613
BaseRepresentation
bin1110110000011…
…0111010011111
311022110120000121
43230012322133
5111321104203
610050335411
71351043602
oct354067237
9138416017
1061894303
1131a35119
121888a567
13ca91263
148312339
1556790bd
hex3b06e9f

61894303 has 8 divisors (see below), whose sum is σ = 63722048. Its totient is φ = 60074784.

The previous prime is 61894247. The next prime is 61894307. The reversal of 61894303 is 30349816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61894303 is a prime.

It is a super-3 number, since 3×618943033 (a number of 24 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61894307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15325 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (7965256).

Almost surely, 261894303 is an apocalyptic number.

61894303 is a deficient number, since it is larger than the sum of its proper divisors (1827745).

61894303 is a wasteful number, since it uses less digits than its factorization.

61894303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61894303 is about 7867.2932448206. The cubic root of 61894303 is about 395.5641205268.

The spelling of 61894303 in words is "sixty-one million, eight hundred ninety-four thousand, three hundred three".

Divisors: 1 37 463 3613 17131 133681 1672819 61894303