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8073140 = 2251033919
BaseRepresentation
bin11110110010111110110100
3120012011021012
4132302332310
54031320030
6445011352
7125422565
oct36627664
916164235
108073140
114614519
122853b58
13189880a
14110216c
15a97095
hex7b2fb4

8073140 has 24 divisors (see below), whose sum is σ = 17122560. Its totient is φ = 3197088.

The previous prime is 8073139. The next prime is 8073151. The reversal of 8073140 is 413708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (713440).

Almost surely, 28073140 is an apocalyptic number.

It is an amenable number.

8073140 is an abundant number, since it is smaller than the sum of its proper divisors (9049420).

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

8073140 is a wasteful number, since it uses less digits than its factorization.

8073140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8073140 is about 2841.3271546937. The cubic root of 8073140 is about 200.6076519259.

Adding to 8073140 its reverse (413708), we get a palindrome (8486848).

The spelling of 8073140 in words is "eight million, seventy-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 3919 7838 15676 19595 39190 78380 403657 807314 1614628 2018285 4036570 8073140