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73484290 = 251171972
BaseRepresentation
bin1000110000101…
…00100000000010
312010021101111101
410120110200002
5122302444130
611143005014
71551414625
oct430244002
9163241441
1073484290
1138530920
122073976a
13122bb739
149a8bdbc
1566b81ca
hex4614802

73484290 has 48 divisors (see below), whose sum is σ = 147852864. Its totient is φ = 26073600.

The previous prime is 73484269. The next prime is 73484311. The reversal of 73484290 is 9248437.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73484269) and next prime (73484311).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 757522 + ... + 757618.

It is an arithmetic number, because the mean of its divisors is an integer number (3080268).

Almost surely, 273484290 is an apocalyptic number.

73484290 is an abundant number, since it is smaller than the sum of its proper divisors (74368574).

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

73484290 is a wasteful number, since it uses less digits than its factorization.

73484290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 73484290 is about 8572.2978249709. The cubic root of 73484290 is about 418.8560898498.

The spelling of 73484290 in words is "seventy-three million, four hundred eighty-four thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 71 97 110 142 194 355 485 710 781 970 1067 1562 2134 3905 5335 6887 7810 9409 10670 13774 18818 34435 47045 68870 75757 94090 103499 151514 206998 378785 517495 668039 757570 1034990 1336078 3340195 6680390 7348429 14696858 36742145 73484290