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52012000 = 255313003
BaseRepresentation
bin1100011001101…
…0001111100000
310121212111001101
43012122033200
5101303341000
65054444144
71201044325
oct306321740
9117774041
1052012000
11273a5427
1215503654
13aa11141
146c9cb4c
154875e6a
hex319a3e0

52012000 has 48 divisors (see below), whose sum is σ = 127803312. Its totient is φ = 20803200.

The previous prime is 52011997. The next prime is 52012001. The reversal of 52012000 is 21025.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52012001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (2662569).

Almost surely, 252012000 is an apocalyptic number.

52012000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52012000 is an abundant number, since it is smaller than the sum of its proper divisors (75791312).

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

52012000 is a wasteful number, since it uses less digits than its factorization.

52012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028 (or 13010 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 52012000 is about 7211.9345532250. The cubic root of 52012000 is about 373.2798250977.

Adding to 52012000 its reverse (21025), we get a palindrome (52033025).

The spelling of 52012000 in words is "fifty-two million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 13003 26006 52012 65015 104024 130030 208048 260060 325075 416096 520120 650150 1040240 1300300 1625375 2080480 2600600 3250750 5201200 6501500 10402400 13003000 26006000 52012000