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8020074 = 231498971
BaseRepresentation
bin11110100110000001101010
3120002110110210
4132212001222
54023120244
6443521550
7125112066
oct36460152
916073423
108020074
114588667
1228292b6
13187a60a
1410caaa6
15a864b9
hex7a606a

8020074 has 16 divisors (see below), whose sum is σ = 16149600. Its totient is φ = 2655120.

The previous prime is 8020069. The next prime is 8020121. The reversal of 8020074 is 4700208.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8020074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3592 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (1009350).

Almost surely, 28020074 is an apocalyptic number.

8020074 is an abundant number, since it is smaller than the sum of its proper divisors (8129526).

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

8020074 is a wasteful number, since it uses less digits than its factorization.

8020074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8020074 is about 2831.9735168253. The cubic root of 8020074 is about 200.1671436095.

It can be divided in two parts, 802007 and 4, that added together give a triangular number (802011 = T1266).

The spelling of 8020074 in words is "eight million, twenty thousand, seventy-four".

Divisors: 1 2 3 6 149 298 447 894 8971 17942 26913 53826 1336679 2673358 4010037 8020074