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74789201 = 531411117
BaseRepresentation
bin1000111010100…
…11000101010001
312012201200111102
410131103011101
5123121223301
611230554145
71565461214
oct435230521
9165650442
1074789201
1139242263
1221068955
1312657686
149d0b77b
156874b6b
hex4753151

74789201 has 4 divisors (see below), whose sum is σ = 76200372. Its totient is φ = 73378032.

The previous prime is 74789177. The next prime is 74789203. The reversal of 74789201 is 10298747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46444225 + 28344976 = 6815^2 + 5324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74789201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74789203) 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, 705506 + ... + 705611.

It is an arithmetic number, because the mean of its divisors is an integer number (19050093).

Almost surely, 274789201 is an apocalyptic number.

It is an amenable number.

74789201 is a deficient number, since it is larger than the sum of its proper divisors (1411171).

74789201 is a wasteful number, since it uses less digits than its factorization.

74789201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411170.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 74789201 is about 8648.0749881115. The cubic root of 74789201 is about 421.3208624372.

The spelling of 74789201 in words is "seventy-four million, seven hundred eighty-nine thousand, two hundred one".

Divisors: 1 53 1411117 74789201