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74906233 = 1737311813
BaseRepresentation
bin1000111011011…
…11101001111001
312012221122000221
410131233221321
5123133444413
611233300041
71566456343
oct435575171
9165848027
1074906233
1139312186
1221104621
1312698a1c
149d3c293
15689968d
hex476fa79

74906233 has 8 divisors (see below), whose sum is σ = 79531848. Its totient is φ = 70305024.

The previous prime is 74906197. The next prime is 74906243. The reversal of 74906233 is 33260947.

It can be written as a sum of positive squares in 4 ways, for example, as 17707264 + 57198969 = 4208^2 + 7563^2 .

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 74906233 - 213 = 74898041 is a prime.

It is a super-2 number, since 2×749062332 = 11221887484500578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74906243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (9941481).

Almost surely, 274906233 is an apocalyptic number.

It is an amenable number.

74906233 is a deficient number, since it is larger than the sum of its proper divisors (4625615).

74906233 is a wasteful number, since it uses less digits than its factorization.

74906233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 74906233 is about 8654.8387044474. The cubic root of 74906233 is about 421.5405123571.

The spelling of 74906233 in words is "seventy-four million, nine hundred six thousand, two hundred thirty-three".

Divisors: 1 17 373 6341 11813 200821 4406249 74906233