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8274740 = 225413737
BaseRepresentation
bin11111100100001100110100
3120120101210212
4133210030310
54104242430
6453204552
7130222415
oct37441464
916511725
108274740
114741a31
122930758
1319394c6
14115580c
15ad6b95
hex7e4334

8274740 has 12 divisors (see below), whose sum is σ = 17376996. Its totient is φ = 3309888.

The previous prime is 8274727. The next prime is 8274751. The reversal of 8274740 is 474728.

It can be written as a sum of positive squares in 2 ways, for example, as 3139984 + 5134756 = 1772^2 + 2266^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8274697 and 8274706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206849 + ... + 206888.

It is an arithmetic number, because the mean of its divisors is an integer number (1448083).

Almost surely, 28274740 is an apocalyptic number.

It is an amenable number.

8274740 is an abundant number, since it is smaller than the sum of its proper divisors (9102256).

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

8274740 is a wasteful number, since it uses less digits than its factorization.

8274740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413746 (or 413744 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 8274740 is about 2876.5847806036. The cubic root of 8274740 is about 202.2637798279.

The spelling of 8274740 in words is "eight million, two hundred seventy-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 413737 827474 1654948 2068685 4137370 8274740