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8445052 = 2272113917
BaseRepresentation
bin100000001101…
…110001111100
3120220001102201
4200031301330
54130220202
6501001244
7131532100
oct40156174
916801381
108445052
114848990
1229b3224
131998b95
14119b900
15b1c387
hex80dc7c

8445052 has 36 divisors (see below), whose sum is σ = 18759384. Its totient is φ = 3289440.

The previous prime is 8445049. The next prime is 8445079. The reversal of 8445052 is 2505448.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 8445052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (521094).

Almost surely, 28445052 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 8445052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9379692).

8445052 is an abundant number, since it is smaller than the sum of its proper divisors (10314332).

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

8445052 is a wasteful number, since it uses less digits than its factorization.

8445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 8445052 is about 2906.0371642496. The cubic root of 8445052 is about 203.6420417451.

The spelling of 8445052 in words is "eight million, four hundred forty-five thousand, fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 3917 7834 15668 27419 43087 54838 86174 109676 172348 191933 301609 383866 603218 767732 1206436 2111263 4222526 8445052