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65485200 = 2435211341
BaseRepresentation
bin1111100111001…
…1100110010000
311120012222210210
43321303212100
5113231011300
610255324120
71423420644
oct371634620
9146188723
1065485200
1133a68000
1219b20640
131074a851
1489a8c24
155b38050
hex3e73990

65485200 has 240 divisors, whose sum is σ = 236359872. Its totient is φ = 15488000.

The previous prime is 65485193. The next prime is 65485213. The reversal of 65485200 is 258456.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×654852002 = 8576622838080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1597180 + ... + 1597220.

Almost surely, 265485200 is an apocalyptic number.

65485200 is a gapful number since it is divisible by the number (60) 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 65485200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118179936).

65485200 is an abundant number, since it is smaller than the sum of its proper divisors (170874672).

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

65485200 is a wasteful number, since it uses less digits than its factorization.

65485200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 65485200 is about 8092.2926294098. The cubic root of 65485200 is about 403.0705358786.

The spelling of 65485200 in words is "sixty-five million, four hundred eighty-five thousand, two hundred".