Search a number
-
+
74705311 = 236075351
BaseRepresentation
bin1000111001111…
…10100110011111
312012120102102101
410130332212133
5123111032221
611225105531
71564661512
oct434764637
9165512371
1074705311
113919522a
12210282a7
1312628435
149cc8d79
156859d91
hex473e99f

74705311 has 8 divisors (see below), whose sum is σ = 78096384. Its totient is φ = 71326200.

The previous prime is 74705303. The next prime is 74705341. The reversal of 74705311 is 11350747.

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 74705311 - 23 = 74705303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74705311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74705341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11286 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (9762048).

Almost surely, 274705311 is an apocalyptic number.

74705311 is a deficient number, since it is larger than the sum of its proper divisors (3391073).

74705311 is a wasteful number, since it uses less digits than its factorization.

74705311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 74705311 is about 8643.2234149072. The cubic root of 74705311 is about 421.1632735959.

The spelling of 74705311 in words is "seventy-four million, seven hundred five thousand, three hundred eleven".

Divisors: 1 23 607 5351 13961 123073 3248057 74705311