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50025420 = 22325277919
BaseRepresentation
bin1011111011010…
…1001111001100
310111010112222100
42332311033030
5100301303140
64544115100
71145131464
oct276651714
9114115870
1050025420
1126268925
1214905a90
13a496b53
146902ba4
1545d2530
hex2fb53cc

50025420 has 36 divisors (see below), whose sum is σ = 151744320. Its totient is φ = 13340064.

The previous prime is 50025379. The next prime is 50025421. The reversal of 50025420 is 2452005.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 50025393 and 50025402.

It is not an unprimeable number, because it can be changed into a prime (50025421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138780 + ... + 139139.

It is an arithmetic number, because the mean of its divisors is an integer number (4215120).

Almost surely, 250025420 is an apocalyptic number.

It is an amenable number.

50025420 is an abundant number, since it is smaller than the sum of its proper divisors (101718900).

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

50025420 is a wasteful number, since it uses less digits than its factorization.

50025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277934 (or 277929 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50025420 is about 7072.8650489034. The cubic root of 50025420 is about 368.4655713407.

Adding to 50025420 its reverse (2452005), we get a palindrome (52477425).

The spelling of 50025420 in words is "fifty million, twenty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 277919 555838 833757 1111676 1389595 1667514 2501271 2779190 3335028 4168785 5002542 5558380 8337570 10005084 12506355 16675140 25012710 50025420