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74541312 = 283232353
BaseRepresentation
bin1000111000101…
…10100100000000
312012021002110100
410130112210000
5123040310222
611221402400
71563406416
oct434264400
9165232410
1074541312
1139092a9a
1220b69400
131259b8b1
149c852b6
1568264ac
hex4716900

74541312 has 54 divisors (see below), whose sum is σ = 214927622. Its totient is φ = 24846336.

The previous prime is 74541307. The next prime is 74541323. The reversal of 74541312 is 21314547.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 2359296 = 8496^2 + 1536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13873 + ... + 18480.

Almost surely, 274541312 is an apocalyptic number.

74541312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74541312 is an abundant number, since it is smaller than the sum of its proper divisors (140386310).

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

74541312 is a wasteful number, since it uses less digits than its factorization.

74541312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32375 (or 32358 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 74541312 is about 8633.7310590497. The cubic root of 74541312 is about 420.8548575034.

Adding to 74541312 its reverse (21314547), we get a palindrome (95855859).

The spelling of 74541312 in words is "seventy-four million, five hundred forty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 32353 64706 97059 129412 194118 258824 291177 388236 517648 582354 776472 1035296 1164708 1552944 2070592 2329416 3105888 4141184 4658832 6211776 8282368 9317664 12423552 18635328 24847104 37270656 74541312