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28546056 = 233271119271
BaseRepresentation
bin110110011100…
…1010000001000
31222201021211100
41230321100020
524301433211
62455501400
7464431440
oct154712010
958637740
1028546056
1115128090
129687860
135bb6276
143b11120
15278d156
hex1b39408

28546056 has 192 divisors, whose sum is σ = 101836800. Its totient is φ = 6998400.

The previous prime is 28546031. The next prime is 28546057. The reversal of 28546056 is 65064582.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28546056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28546057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105201 + ... + 105471.

It is an arithmetic number, because the mean of its divisors is an integer number (530400).

Almost surely, 228546056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28546056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50918400).

28546056 is an abundant number, since it is smaller than the sum of its proper divisors (73290744).

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

28546056 is a wasteful number, since it uses less digits than its factorization.

28546056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 28546056 is about 5342.8509243661. The cubic root of 28546056 is about 305.6201874862.

The spelling of 28546056 in words is "twenty-eight million, five hundred forty-six thousand, fifty-six".