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8293940 = 225414697
BaseRepresentation
bin11111101000111000110100
3120121101010222
4133220320310
54110401230
6453433512
7130332404
oct37507064
916541128
108293940
1147553a6
12293b898
131945175
14115c804
15adc6e5
hex7e8e34

8293940 has 12 divisors (see below), whose sum is σ = 17417316. Its totient is φ = 3317568.

The previous prime is 8293939. The next prime is 8293979. The reversal of 8293940 is 493928.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 2808976 = 2342^2 + 1676^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8293940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207329 + ... + 207368.

It is an arithmetic number, because the mean of its divisors is an integer number (1451443).

Almost surely, 28293940 is an apocalyptic number.

It is an amenable number.

8293940 is an abundant number, since it is smaller than the sum of its proper divisors (9123376).

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

8293940 is a wasteful number, since it uses less digits than its factorization.

8293940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414706 (or 414704 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8293940 is about 2879.9201377816. The cubic root of 8293940 is about 202.4200975216.

The spelling of 8293940 in words is "eight million, two hundred ninety-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 414697 829394 1658788 2073485 4146970 8293940