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61030297 = 2916312911
BaseRepresentation
bin1110100011001…
…1111110011001
311020211122211101
43220303332121
5111110432142
610020031401
71340514616
oct350637631
9136748741
1061030297
11314a4a69
1218532561
13c84ac03
14816950d
1555580b7
hex3a33f99

61030297 has 8 divisors (see below), whose sum is σ = 63527040. Its totient is φ = 58559760.

The previous prime is 61030243. The next prime is 61030309. The reversal of 61030297 is 79203016.

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 61030297 - 215 = 60997529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61030217) 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, 1729 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (7940880).

Almost surely, 261030297 is an apocalyptic number.

It is an amenable number.

61030297 is a deficient number, since it is larger than the sum of its proper divisors (2496743).

61030297 is a wasteful number, since it uses less digits than its factorization.

61030297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 61030297 is about 7812.1890018099. The cubic root of 61030297 is about 393.7148791384.

The spelling of 61030297 in words is "sixty-one million, thirty thousand, two hundred ninety-seven".

Divisors: 1 29 163 4727 12911 374419 2104493 61030297