Search a number
-
+
93608661 = 331202887
BaseRepresentation
bin1011001010001…
…01101011010101
320112010210221110
411211011223111
5142430434121
613142205233
72214442356
oct545055325
9215123843
1093608661
1148926633
1227423819
1316516653
14c609d2d
158340d76
hex5945ad5

93608661 has 4 divisors (see below), whose sum is σ = 124811552. Its totient is φ = 62405772.

The previous prime is 93608651. The next prime is 93608701. The reversal of 93608661 is 16680639.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16680639 = 35560213.

It is not a de Polignac number, because 93608661 - 27 = 93608533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93608621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15601441 + ... + 15601446.

It is an arithmetic number, because the mean of its divisors is an integer number (31202888).

Almost surely, 293608661 is an apocalyptic number.

It is an amenable number.

93608661 is a deficient number, since it is larger than the sum of its proper divisors (31202891).

93608661 is a wasteful number, since it uses less digits than its factorization.

93608661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202890.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 93608661 is about 9675.1568979526. The cubic root of 93608661 is about 454.0517400456.

The spelling of 93608661 in words is "ninety-three million, six hundred eight thousand, six hundred sixty-one".

Divisors: 1 3 31202887 93608661