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73474980 = 22352942227
BaseRepresentation
bin1000110000100…
…10001110100100
312010020220201120
410120102032210
5122302144410
611142453540
71551345525
oct430221644
9163226646
1073474980
1138524927
12207342b0
13122b7427
149a8884c
1566b5570
hex46123a4

73474980 has 48 divisors (see below), whose sum is σ = 212829120. Its totient is φ = 18917248.

The previous prime is 73474943. The next prime is 73474981. The reversal of 73474980 is 8947437.

It is not an unprimeable number, because it can be changed into a prime (73474981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (4433940).

Almost surely, 273474980 is an apocalyptic number.

It is an amenable number.

73474980 is an abundant number, since it is smaller than the sum of its proper divisors (139354140).

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

73474980 is a wasteful number, since it uses less digits than its factorization.

73474980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42268 (or 42266 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 73474980 is about 8571.7547795069. The cubic root of 73474980 is about 418.8384002870.

The spelling of 73474980 in words is "seventy-three million, four hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 42227 84454 126681 168908 211135 253362 422270 506724 633405 844540 1224583 1266810 2449166 2533620 3673749 4898332 6122915 7347498 12245830 14694996 18368745 24491660 36737490 73474980