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3750705 = 37573
BaseRepresentation
bin1110010011101100110001
321001120000000
432103230301
51430010310
6212220213
743611000
oct16235461
97046000
103750705
112131a62
12130a669
13a1426a
146d8c37
154e14c0
hex393b31

3750705 has 64 divisors (see below), whose sum is σ = 7872000. Its totient is φ = 1714608.

The previous prime is 3750701. The next prime is 3750731. The reversal of 3750705 is 5070573.

It is not a de Polignac number, because 3750705 - 22 = 3750701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3750705 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3750701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 535812 + ... + 535818.

It is an arithmetic number, because the mean of its divisors is an integer number (123000).

Almost surely, 23750705 is an apocalyptic number.

3750705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3750705 is an abundant number, since it is smaller than the sum of its proper divisors (4121295).

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

3750705 is an frugal number, since it uses more digits than its factorization.

3750705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 15 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 3750705 is about 1936.6736947664. The cubic root of 3750705 is about 155.3713606828.

The spelling of 3750705 in words is "three million, seven hundred fifty thousand, seven hundred five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 243 245 315 343 405 441 567 729 735 945 1029 1215 1323 1701 1715 2187 2205 2835 3087 3645 3969 5103 5145 6615 8505 9261 10935 11907 15309 15435 19845 25515 27783 35721 46305 59535 76545 83349 107163 138915 178605 250047 416745 535815 750141 1250235 3750705