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231061601 = 1495033083
BaseRepresentation
bin11011100010110…
…11100001100001
3121002210010221002
431301123201201
5433122432401
634532241345
75503663661
oct1561334141
9532703832
10231061601
11109479001
1265470255
1338b41554
142298a1a1
1515442a6b
hexdc5b861

231061601 has 8 divisors (see below), whose sum is σ = 233150400. Its totient is φ = 228980272.

The previous prime is 231061577. The next prime is 231061643. The reversal of 231061601 is 106160132.

231061601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231061601 - 222 = 226867297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231061681) 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, 73406 + ... + 76488.

It is an arithmetic number, because the mean of its divisors is an integer number (29143800).

Almost surely, 2231061601 is an apocalyptic number.

It is an amenable number.

231061601 is a deficient number, since it is larger than the sum of its proper divisors (2088799).

231061601 is a wasteful number, since it uses less digits than its factorization.

231061601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 231061601 is about 15200.7105426029. The cubic root of 231061601 is about 613.6337803814.

The spelling of 231061601 in words is "two hundred thirty-one million, sixty-one thousand, six hundred one".

Divisors: 1 149 503 3083 74947 459367 1550749 231061601