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74942223 = 3157159113
BaseRepresentation
bin1000111011110…
…00011100001111
312020000110101220
410131320130033
5123141122343
611234134423
71566666306
oct435703417
9166013356
1074942223
1139337224
1221121413
13126ac215
149d4b43d
1568a5183
hex477870f

74942223 has 8 divisors (see below), whose sum is σ = 100560048. Its totient is φ = 49642944.

The previous prime is 74942209. The next prime is 74942227. The reversal of 74942223 is 32224947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74942223 - 24 = 74942207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74942227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79086 + ... + 80027.

It is an arithmetic number, because the mean of its divisors is an integer number (12570006).

Almost surely, 274942223 is an apocalyptic number.

74942223 is a deficient number, since it is larger than the sum of its proper divisors (25617825).

74942223 is a wasteful number, since it uses less digits than its factorization.

74942223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159273.

The product of its digits is 24192, while the sum is 33.

The square root of 74942223 is about 8656.9176385131. The cubic root of 74942223 is about 421.6080136999.

The spelling of 74942223 in words is "seventy-four million, nine hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 3 157 471 159113 477339 24980741 74942223