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164381750 = 25313371367
BaseRepresentation
bin10011100110001…
…00010000110110
3102110022110100222
421303010100312
5314040204000
624151134342
74034136041
oct1163042066
9373273328
10164381750
1184875495
12470743b2
1328096010
1417b8dc58
15e670a85
hex9cc4436

164381750 has 64 divisors (see below), whose sum is σ = 340599168. Its totient is φ = 59011200.

The previous prime is 164381743. The next prime is 164381797. The reversal of 164381750 is 57183461.

164381750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 164381750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119567 + ... + 120933.

It is an arithmetic number, because the mean of its divisors is an integer number (5321862).

Almost surely, 2164381750 is an apocalyptic number.

164381750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164381750 is an abundant number, since it is smaller than the sum of its proper divisors (176217418).

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

164381750 is a wasteful number, since it uses less digits than its factorization.

164381750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 164381750 is about 12821.1446446875. The cubic root of 164381750 is about 547.7947510430.

The spelling of 164381750 in words is "one hundred sixty-four million, three hundred eighty-one thousand, seven hundred fifty".

Divisors: 1 2 5 10 13 25 26 37 50 65 74 125 130 185 250 325 370 481 650 925 962 1367 1625 1850 2405 2734 3250 4625 4810 6835 9250 12025 13670 17771 24050 34175 35542 50579 60125 68350 88855 101158 120250 170875 177710 252895 341750 444275 505790 657527 888550 1264475 1315054 2221375 2528950 3287635 4442750 6322375 6575270 12644750 16438175 32876350 82190875 164381750