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52403600 = 2452131009
BaseRepresentation
bin1100011111100…
…1110110010000
310122121101020002
43013321312100
5101403403400
65111105132
71204265114
oct307716620
9118541202
1052403600
1127642667
12156721a8
13ab1a462
146d61744
154901ed5
hex31f9d90

52403600 has 30 divisors (see below), whose sum is σ = 125900610. Its totient is φ = 20961280.

The previous prime is 52403597. The next prime is 52403633. The reversal of 52403600 is 630425.

It can be written as a sum of positive squares in 3 ways, for example, as 8737936 + 43665664 = 2956^2 + 6608^2 .

It is a super-2 number, since 2×524036002 = 5492274585920000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65105 + ... + 65904.

It is an arithmetic number, because the mean of its divisors is an integer number (4196687).

Almost surely, 252403600 is an apocalyptic number.

52403600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52403600 is an abundant number, since it is smaller than the sum of its proper divisors (73497010).

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

52403600 is a wasteful number, since it uses less digits than its factorization.

52403600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131027 (or 131016 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52403600 is about 7239.0330846046. The cubic root of 52403600 is about 374.2142956737.

The spelling of 52403600 in words is "fifty-two million, four hundred three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 131009 262018 524036 655045 1048072 1310090 2096144 2620180 3275225 5240360 6550450 10480720 13100900 26201800 52403600