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8244080 = 245137927
BaseRepresentation
bin11111011100101101110000
3120111211202022
4133130231300
54102302310
6452411012
7130034135
oct37345560
916454668
108244080
114720999
122916a68
131928570
14114858c
15acca55
hex7dcb70

8244080 has 40 divisors (see below), whose sum is σ = 20644512. Its totient is φ = 3043584.

The previous prime is 8244079. The next prime is 8244083. The reversal of 8244080 is 804428.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8244083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2924 + ... + 5003.

Almost surely, 28244080 is an apocalyptic number.

8244080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8244080 is an abundant number, since it is smaller than the sum of its proper divisors (12400432).

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

8244080 is a wasteful number, since it uses less digits than its factorization.

8244080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953 (or 7947 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 8244080 is about 2871.2505986068. The cubic root of 8244080 is about 202.0136578681.

The spelling of 8244080 in words is "eight million, two hundred forty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 7927 15854 31708 39635 63416 79270 103051 126832 158540 206102 317080 412204 515255 634160 824408 1030510 1648816 2061020 4122040 8244080