Search a number
-
+
74844293 = 671117079
BaseRepresentation
bin1000111011000…
…00100010000101
312012211111001212
410131200202011
5123130004133
611232101205
71566110636
oct435404205
9165744055
1074844293
113927a697
1221094805
1312676784
149d2388d
156886148
hex4760885

74844293 has 4 divisors (see below), whose sum is σ = 75961440. Its totient is φ = 73727148.

The previous prime is 74844281. The next prime is 74844347. The reversal of 74844293 is 39244847.

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: 39244847 = 122332089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74844293 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 74844293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74844233) 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, 558473 + ... + 558606.

It is an arithmetic number, because the mean of its divisors is an integer number (18990360).

Almost surely, 274844293 is an apocalyptic number.

It is an amenable number.

74844293 is a deficient number, since it is larger than the sum of its proper divisors (1117147).

74844293 is a wasteful number, since it uses less digits than its factorization.

74844293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117146.

The product of its digits is 193536, while the sum is 41.

The square root of 74844293 is about 8651.2596192693. The cubic root of 74844293 is about 421.4242896324.

The spelling of 74844293 in words is "seventy-four million, eight hundred forty-four thousand, two hundred ninety-three".

Divisors: 1 67 1117079 74844293