Search a number
-
+
2020158 = 232716033
BaseRepresentation
bin111101101001100111110
310210122010200
413231030332
51004121113
6111144330
723112450
oct7551476
93718120
102020158
11115a858
128150a6
1355967a
143a82d0
1529d873
hex1ed33e

2020158 has 24 divisors (see below), whose sum is σ = 5002608. Its totient is φ = 577152.

The previous prime is 2020153. The next prime is 2020171. The reversal of 2020158 is 8510202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7891 + ... + 8142.

It is an arithmetic number, because the mean of its divisors is an integer number (208442).

22020158 is an apocalyptic number.

2020158 is an abundant number, since it is smaller than the sum of its proper divisors (2982450).

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

2020158 is a wasteful number, since it uses less digits than its factorization.

2020158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16048 (or 16045 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2020158 is about 1421.3226234743. The cubic root of 2020158 is about 126.4139822566.

The spelling of 2020158 in words is "two million, twenty thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 16033 32066 48099 96198 112231 144297 224462 288594 336693 673386 1010079 2020158