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74986049 = 233260263
BaseRepresentation
bin1000111100000…
…11001001000001
312020002200112002
410132003021001
5123144023144
611235113345
71600241135
oct436031101
9166080462
1074986049
1139367146
1221142855
13126c6158
149d5d3c5
1568b314e
hex4783241

74986049 has 4 divisors (see below), whose sum is σ = 78246336. Its totient is φ = 71725764.

The previous prime is 74986039. The next prime is 74986057. The reversal of 74986049 is 94068947.

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.

It is a cyclic number.

It is not a de Polignac number, because 74986049 - 212 = 74981953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74985994 and 74986012.

It is not an unprimeable number, because it can be changed into a prime (74986039) 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, 1630109 + ... + 1630154.

It is an arithmetic number, because the mean of its divisors is an integer number (19561584).

Almost surely, 274986049 is an apocalyptic number.

It is an amenable number.

74986049 is a deficient number, since it is larger than the sum of its proper divisors (3260287).

74986049 is a wasteful number, since it uses less digits than its factorization.

74986049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260286.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 74986049 is about 8659.4485390237. The cubic root of 74986049 is about 421.6901827425.

The spelling of 74986049 in words is "seventy-four million, nine hundred eighty-six thousand, forty-nine".

Divisors: 1 23 3260263 74986049