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61303897 = 416472311
BaseRepresentation
bin1110100111011…
…0110001011001
311021100120010201
43221312301121
5111143211042
610025542201
71343034364
oct351666131
9137316121
1061303897
1131671586
1218644961
13c9155c5
1481db0db
1555ae1b7
hex3a76c59

61303897 has 8 divisors (see below), whose sum is σ = 62923392. Its totient is φ = 59690400.

The previous prime is 61303873. The next prime is 61303919. The reversal of 61303897 is 79830316.

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

It is a cyclic number.

It is not a de Polignac number, because 61303897 - 27 = 61303769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61303817) 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, 25372 + ... + 27682.

It is an arithmetic number, because the mean of its divisors is an integer number (7865424).

Almost surely, 261303897 is an apocalyptic number.

It is an amenable number.

61303897 is a deficient number, since it is larger than the sum of its proper divisors (1619495).

61303897 is a wasteful number, since it uses less digits than its factorization.

61303897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 61303897 is about 7829.6805171092. The cubic root of 61303897 is about 394.3023459380.

The spelling of 61303897 in words is "sixty-one million, three hundred three thousand, eight hundred ninety-seven".

Divisors: 1 41 647 2311 26527 94751 1495217 61303897