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74524229 = 1329197677
BaseRepresentation
bin1000111000100…
…10011001000101
312012020020000122
410130102121011
5123034233404
611221151325
71563305543
oct434223105
9165206018
1074524229
113908117a
1220b5b545
1312593ba0
149c7cd93
1568213be
hex4712645

74524229 has 8 divisors (see below), whose sum is σ = 83024760. Its totient is φ = 66419136.

The previous prime is 74524193. The next prime is 74524237. The reversal of 74524229 is 92242547.

It can be written as a sum of positive squares in 4 ways, for example, as 168100 + 74356129 = 410^2 + 8623^2 .

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 74524229 - 28 = 74523973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74524259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98462 + ... + 99215.

It is an arithmetic number, because the mean of its divisors is an integer number (10378095).

Almost surely, 274524229 is an apocalyptic number.

It is an amenable number.

74524229 is a deficient number, since it is larger than the sum of its proper divisors (8500531).

74524229 is a wasteful number, since it uses less digits than its factorization.

74524229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197719.

The product of its digits is 40320, while the sum is 35.

The square root of 74524229 is about 8632.7416850037. The cubic root of 74524229 is about 420.8227052528.

The spelling of 74524229 in words is "seventy-four million, five hundred twenty-four thousand, two hundred twenty-nine".

Divisors: 1 13 29 377 197677 2569801 5732633 74524229