Search a number
-
+
20165082 = 237736577
BaseRepresentation
bin100110011101…
…1000111011010
31101221111021220
41030323013122
520130240312
62000112510
7333254220
oct114730732
941844256
1020165082
1110423363
126905736
134240602
14296cb10
151b84c8c
hex133b1da

20165082 has 32 divisors (see below), whose sum is σ = 46730112. Its totient is φ = 5681664.

The previous prime is 20165081. The next prime is 20165129. The reversal of 20165082 is 28056102.

It is not an unprimeable number, because it can be changed into a prime (20165081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (1460316).

Almost surely, 220165082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20165082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23365056).

20165082 is an abundant number, since it is smaller than the sum of its proper divisors (26565030).

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

20165082 is a wasteful number, since it uses less digits than its factorization.

20165082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20165082 is about 4490.5547541479. The cubic root of 20165082 is about 272.1865520264.

The spelling of 20165082 in words is "twenty million, one hundred sixty-five thousand, eighty-two".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 6577 13154 19731 39462 46039 92078 138117 276234 480121 960242 1440363 2880726 3360847 6721694 10082541 20165082