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74953312 = 2571013313
BaseRepresentation
bin1000111011110…
…11001001100000
312020001000121121
410131323021200
5123142001222
611234302024
71600043530
oct435731140
9166030547
1074953312
1139344595
1221127914
13126b4295
149d514c0
1568a85c7
hex477b260

74953312 has 48 divisors (see below), whose sum is σ = 170366112. Its totient is φ = 31795200.

The previous prime is 74953301. The next prime is 74953331. The reversal of 74953312 is 21335947.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20968 + ... + 24280.

It is an arithmetic number, because the mean of its divisors is an integer number (3549294).

Almost surely, 274953312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74953312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85183056).

74953312 is an abundant number, since it is smaller than the sum of its proper divisors (95412800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74953312 is a wasteful number, since it uses less digits than its factorization.

74953312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431 (or 3423 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 74953312 is about 8657.5580852802. The cubic root of 74953312 is about 421.6288074105.

The spelling of 74953312 in words is "seventy-four million, nine hundred fifty-three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 101 112 202 224 404 707 808 1414 1616 2828 3232 3313 5656 6626 11312 13252 22624 23191 26504 46382 53008 92764 106016 185528 334613 371056 669226 742112 1338452 2342291 2676904 4684582 5353808 9369164 10707616 18738328 37476656 74953312