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52210700 = 225237103137
BaseRepresentation
bin1100011100101…
…0110000001100
310122020120121122
43013022300030
5101331220300
65103020112
71202532533
oct307126014
9118216548
1052210700
1127520743
121559a638
13aa80709
146d1131a
1548b4c85
hex31cac0c

52210700 has 72 divisors (see below), whose sum is σ = 118346592. Its totient is φ = 19975680.

The previous prime is 52210687. The next prime is 52210733. The reversal of 52210700 is 701225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381032 + ... + 381168.

Almost surely, 252210700 is an apocalyptic number.

52210700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52210700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59173296).

52210700 is an abundant number, since it is smaller than the sum of its proper divisors (66135892).

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

52210700 is a wasteful number, since it uses less digits than its factorization.

52210700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 52210700 is about 7225.6971981948. The cubic root of 52210700 is about 373.7545645837.

Adding to 52210700 its reverse (701225), we get a palindrome (52911925).

The spelling of 52210700 in words is "fifty-two million, two hundred ten thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 103 137 148 185 206 274 370 412 515 548 685 740 925 1030 1370 1850 2060 2575 2740 3425 3700 3811 5069 5150 6850 7622 10138 10300 13700 14111 15244 19055 20276 25345 28222 38110 50690 56444 70555 76220 95275 101380 126725 141110 190550 253450 282220 352775 381100 506900 522107 705550 1044214 1411100 2088428 2610535 5221070 10442140 13052675 26105350 52210700