Search a number
-
+
74485193 = 5311312437
BaseRepresentation
bin1000111000010…
…00110111001001
312012011020110212
410130020313021
5123032011233
611220250505
71563053666
oct434106711
9165136425
1074485193
1139054912
1220b40a35
131257c1a3
149c6ca6d
156814a48
hex4708dc9

74485193 has 8 divisors (see below), whose sum is σ = 76568328. Its totient is φ = 72427264.

The previous prime is 74485183. The next prime is 74485217. The reversal of 74485193 is 39158447.

It can be written as a sum of positive squares in 4 ways, for example, as 1006009 + 73479184 = 1003^2 + 8572^2 .

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 74485193 - 224 = 57707977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74485193.

It is not an unprimeable number, because it can be changed into a prime (74485183) 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, 230 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (9571041).

Almost surely, 274485193 is an apocalyptic number.

It is an amenable number.

74485193 is a deficient number, since it is larger than the sum of its proper divisors (2083135).

74485193 is a wasteful number, since it uses less digits than its factorization.

74485193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603.

The product of its digits is 120960, while the sum is 41.

The square root of 74485193 is about 8630.4804617124. The cubic root of 74485193 is about 420.7492163827.

The spelling of 74485193 in words is "seventy-four million, four hundred eighty-five thousand, one hundred ninety-three".

Divisors: 1 53 113 5989 12437 659161 1405381 74485193