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52255770 = 23572331349
BaseRepresentation
bin1100011101010…
…1110000011010
310122022212102220
43013111300122
5101334141040
65104004510
71203111120
oct307256032
9118285386
1052255770
1127551596
1215600736
13aa98098
146d23910
1548c32d0
hex31d5c1a

52255770 has 128 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 11024640.

The previous prime is 52255759. The next prime is 52255781. The reversal of 52255770 is 7755225.

52255770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52255759) and next prime (52255781).

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 149556 + ... + 149904.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 252255770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52255770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77414400).

52255770 is an abundant number, since it is smaller than the sum of its proper divisors (102573030).

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

52255770 is a wasteful number, since it uses less digits than its factorization.

52255770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 52255770 is about 7228.8152556280. The cubic root of 52255770 is about 373.8620794128.

The spelling of 52255770 in words is "fifty-two million, two hundred fifty-five thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 31 35 42 46 62 69 70 93 105 115 138 155 161 186 210 217 230 310 322 345 349 434 465 483 651 690 698 713 805 930 966 1047 1085 1302 1426 1610 1745 2094 2139 2170 2415 2443 3255 3490 3565 4278 4830 4886 4991 5235 6510 7130 7329 8027 9982 10470 10695 10819 12215 14658 14973 16054 21390 21638 24081 24430 24955 29946 32457 36645 40135 48162 49910 54095 56189 64914 73290 74865 75733 80270 108190 112378 120405 149730 151466 162285 168567 227199 240810 248837 280945 324570 337134 378665 454398 497674 561890 746511 757330 842835 1135995 1244185 1493022 1685670 1741859 2271990 2488370 3483718 3732555 5225577 7465110 8709295 10451154 17418590 26127885 52255770