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74853253 = 199376147
BaseRepresentation
bin1000111011000…
…10101110000101
312012211221100201
410131202232011
5123130301003
611232210501
71566146026
oct435425605
9165757321
1074853253
11392863a2
1221099a31
131267a887
149d26c4d
156888b1d
hex4762b85

74853253 has 4 divisors (see below), whose sum is σ = 75229600. Its totient is φ = 74476908.

The previous prime is 74853223. The next prime is 74853277. The reversal of 74853253 is 35235847.

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 a de Polignac number, because none of the positive numbers 2k-74853253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74853223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187875 + ... + 188272.

It is an arithmetic number, because the mean of its divisors is an integer number (18807400).

Almost surely, 274853253 is an apocalyptic number.

It is an amenable number.

74853253 is a deficient number, since it is larger than the sum of its proper divisors (376347).

74853253 is a wasteful number, since it uses less digits than its factorization.

74853253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376346.

The product of its digits is 100800, while the sum is 37.

The square root of 74853253 is about 8651.7774474382. Note that the first 3 decimals coincide. The cubic root of 74853253 is about 421.4411059267.

The spelling of 74853253 in words is "seventy-four million, eight hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 199 376147 74853253