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52200630 = 23255231109
BaseRepresentation
bin1100011100100…
…0010010110110
310122020001210200
43013020102312
5101330410010
65102501330
71202461266
oct307102266
9118201720
1052200630
1127514119
1215594846
13aa78c61
146d0b7a6
1548b1cc0
hex31c84b6

52200630 has 48 divisors (see below), whose sum is σ = 136103760. Its totient is φ = 13881024.

The previous prime is 52200623. The next prime is 52200641. The reversal of 52200630 is 3600225.

52200630 = 36112 + 36122 + ... + 36142.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46516 + ... + 47624.

It is an arithmetic number, because the mean of its divisors is an integer number (2835495).

Almost surely, 252200630 is an apocalyptic number.

52200630 is an abundant number, since it is smaller than the sum of its proper divisors (83903130).

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

52200630 is a wasteful number, since it uses less digits than its factorization.

52200630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52200630 is about 7225.0003460208. Note that the first 3 decimals coincide. The cubic root of 52200630 is about 373.7305340659.

Adding to 52200630 its reverse (3600225), we get a palindrome (55800855).

The spelling of 52200630 in words is "fifty-two million, two hundred thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 523 1046 1109 1569 2218 2615 3138 3327 4707 5230 5545 6654 7845 9414 9981 11090 15690 16635 19962 23535 33270 47070 49905 99810 580007 1160014 1740021 2900035 3480042 5220063 5800070 8700105 10440126 17400210 26100315 52200630