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8010740 = 2251723561
BaseRepresentation
bin11110100011101111110100
3120001222200002
4132203233310
54022320430
6443410432
7125042633
oct36435764
916058602
108010740
114581651
122823a18
1318762aa
1410c751a
15a83845
hex7a3bf4

8010740 has 24 divisors (see below), whose sum is σ = 17812872. Its totient is φ = 3015680.

The previous prime is 8010713. The next prime is 8010749. The reversal of 8010740 is 470108.

8010740 = T451 + T452 + ... + T518.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 763876 + 7246864 = 874^2 + 2692^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010749) 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, 11441 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (742203).

Almost surely, 28010740 is an apocalyptic number.

It is an amenable number.

8010740 is an abundant number, since it is smaller than the sum of its proper divisors (9802132).

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

8010740 is a wasteful number, since it uses less digits than its factorization.

8010740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23587 (or 23585 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 8010740 is about 2830.3250696696. The cubic root of 8010740 is about 200.0894599786.

Adding to 8010740 its reverse (470108), we get a palindrome (8480848).

The spelling of 8010740 in words is "eight million, ten thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 23561 47122 94244 117805 235610 400537 471220 801074 1602148 2002685 4005370 8010740