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8073390 = 23513127163
BaseRepresentation
bin11110110011000010101110
3120012011121110
4132303002232
54031322030
6445012450
7125423403
oct36630256
916164543
108073390
114614726
122854126
131898970
1411022aa
15a971b0
hex7b30ae

8073390 has 64 divisors (see below), whose sum is σ = 21159936. Its totient is φ = 1959552.

The previous prime is 8073389. The next prime is 8073413. The reversal of 8073390 is 933708.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 49449 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (330624).

Almost surely, 28073390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8073390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10579968).

8073390 is an abundant number, since it is smaller than the sum of its proper divisors (13086546).

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

8073390 is a wasteful number, since it uses less digits than its factorization.

8073390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 8073390 is about 2841.3711478791. The cubic root of 8073390 is about 200.6097226359.

The spelling of 8073390 in words is "eight million, seventy-three thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 127 130 163 195 254 326 381 390 489 635 762 815 978 1270 1630 1651 1905 2119 2445 3302 3810 4238 4890 4953 6357 8255 9906 10595 12714 16510 20701 21190 24765 31785 41402 49530 62103 63570 103505 124206 207010 269113 310515 538226 621030 807339 1345565 1614678 2691130 4036695 8073390