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74938230 = 2335277549
BaseRepresentation
bin1000111011101…
…11011101110110
312020000020221000
410131313131312
5123141010410
611234104130
71566651543
oct435673566
9166006830
1074938230
1139334224
122111b046
13126aa463
149d49bca
1568a3dc0
hex4777776

74938230 has 32 divisors (see below), whose sum is σ = 199836000. Its totient is φ = 19983456.

The previous prime is 74938219. The next prime is 74938243. The reversal of 74938230 is 3283947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138505 + ... + 139044.

It is an arithmetic number, because the mean of its divisors is an integer number (6244875).

Almost surely, 274938230 is an apocalyptic number.

74938230 is an abundant number, since it is smaller than the sum of its proper divisors (124897770).

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

74938230 is a wasteful number, since it uses less digits than its factorization.

74938230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277565 (or 277559 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 74938230 is about 8656.6870106294. The cubic root of 74938230 is about 421.6005256617.

The spelling of 74938230 in words is "seventy-four million, nine hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 277549 555098 832647 1387745 1665294 2497941 2775490 4163235 4995882 7493823 8326470 12489705 14987646 24979410 37469115 74938230