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52273750 = 254193171
BaseRepresentation
bin1100011101101…
…0001001010110
310122100210002211
43013122021112
5101340230000
65104224034
71203214414
oct307321126
9118323084
1052273750
1127564051
121560b01a
13aaa3319
146d2a2b4
1548c87ba
hex31da256

52273750 has 80 divisors (see below), whose sum is σ = 107965440. Its totient is φ = 18900000.

The previous prime is 52273721. The next prime is 52273757. The reversal of 52273750 is 5737225.

52273750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52273757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 736215 + ... + 736285.

It is an arithmetic number, because the mean of its divisors is an integer number (1349568).

Almost surely, 252273750 is an apocalyptic number.

52273750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52273750 is an abundant number, since it is smaller than the sum of its proper divisors (55691690).

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

52273750 is a wasteful number, since it uses less digits than its factorization.

52273750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 52273750 is about 7230.0587826103. The cubic root of 52273750 is about 373.9049535896.

The spelling of 52273750 in words is "fifty-two million, two hundred seventy-three thousand, seven hundred fifty".

Divisors: 1 2 5 10 19 25 31 38 50 62 71 95 125 142 155 190 250 310 355 475 589 625 710 775 950 1178 1250 1349 1550 1775 2201 2375 2698 2945 3550 3875 4402 4750 5890 6745 7750 8875 11005 11875 13490 14725 17750 19375 22010 23750 29450 33725 38750 41819 44375 55025 67450 73625 83638 88750 110050 147250 168625 209095 275125 337250 368125 418190 550250 736250 843125 1045475 1375625 1686250 2090950 2751250 5227375 10454750 26136875 52273750