Search a number
-
+
99311041 = 421923539
BaseRepresentation
bin1011110101101…
…01110111000001
320220212112010201
411322311313001
5200410423131
613504325201
72314062364
oct572656701
9226775121
1099311041
1151070945
1229313801
131776203b
14d2920db
158aba761
hex5eb5dc1

99311041 has 4 divisors (see below), whose sum is σ = 99338800. Its totient is φ = 99283284.

The previous prime is 99311021. The next prime is 99311063. The reversal of 99311041 is 14011399.

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: 14011399 = 103136033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99311041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99311021) 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, 7551 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (24834700).

Almost surely, 299311041 is an apocalyptic number.

It is an amenable number.

99311041 is a deficient number, since it is larger than the sum of its proper divisors (27759).

99311041 is a wasteful number, since it uses less digits than its factorization.

99311041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27758.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 99311041 is about 9965.4925116624. The cubic root of 99311041 is about 463.0904711506.

The spelling of 99311041 in words is "ninety-nine million, three hundred eleven thousand, forty-one".

Divisors: 1 4219 23539 99311041