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16390068 = 2234313169
BaseRepresentation
bin111110100001…
…011110110100
31010211200221120
4332201132310
513143440233
61343143540
7256212312
oct76413664
933750846
1016390068
119285112
1255a4bb0
13351b286
1422690b2
15168b4b3
hexfa17b4

16390068 has 24 divisors (see below), whose sum is σ = 38344320. Its totient is φ = 5448960.

The previous prime is 16390067. The next prime is 16390069. The reversal of 16390068 is 86009361.

It is an interprime number because it is at equal distance from previous prime (16390067) and next prime (16390069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (1597680).

Almost surely, 216390068 is an apocalyptic number.

It is an amenable number.

16390068 is an abundant number, since it is smaller than the sum of its proper divisors (21954252).

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

16390068 is a wasteful number, since it uses less digits than its factorization.

16390068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16390068 is about 4048.4648942531. The cubic root of 16390068 is about 254.0155197494.

The spelling of 16390068 in words is "sixteen million, three hundred ninety thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 431 862 1293 1724 2586 3169 5172 6338 9507 12676 19014 38028 1365839 2731678 4097517 5463356 8195034 16390068