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52812000 = 253453163
BaseRepresentation
bin1100100101110…
…1100011100000
310200101010110000
43021131203200
5102004441000
65123540000
71210615563
oct311354340
9120333400
1052812000
11278a148a
121582a600
13ac31307
14702a4da
154983000
hex325d8e0

52812000 has 240 divisors, whose sum is σ = 195026832. Its totient is φ = 13996800.

The previous prime is 52811971. The next prime is 52812029. The reversal of 52812000 is 21825.

It is an interprime number because it is at equal distance from previous prime (52811971) and next prime (52812029).

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

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 39 ways as a sum of consecutive naturals, for example, 323919 + ... + 324081.

Almost surely, 252812000 is an apocalyptic number.

52812000 is a gapful number since it is divisible by the number (50) 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 52812000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97513416).

52812000 is an abundant number, since it is smaller than the sum of its proper divisors (142214832).

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

52812000 is a wasteful number, since it uses less digits than its factorization.

52812000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 52812000 is about 7267.1865257471. The cubic root of 52812000 is about 375.1839097911.

Adding to 52812000 its reverse (21825), we get a palindrome (52833825).

The spelling of 52812000 in words is "fifty-two million, eight hundred twelve thousand".