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2020398 = 234143191
BaseRepresentation
bin111101101010000101110
310210122110120
413231100232
51004123043
6111145410
723113242
oct7552056
93718416
102020398
11115aa56
12815266
13559803
143a8422
1529d983
hex1ed42e

2020398 has 32 divisors (see below), whose sum is σ = 4257792. Its totient is φ = 638400.

The previous prime is 2020393. The next prime is 2020409. The reversal of 2020398 is 8930202.

It can be divided in two parts, 20203 and 98, that added together give a triangular number (20301 = T201).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020391) 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, 10483 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

22020398 is an apocalyptic number.

2020398 is an abundant number, since it is smaller than the sum of its proper divisors (2237394).

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

2020398 is a wasteful number, since it uses less digits than its factorization.

2020398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2020398 is about 1421.4070493704. The cubic root of 2020398 is about 126.4189881611.

The spelling of 2020398 in words is "two million, twenty thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 41 43 82 86 123 129 191 246 258 382 573 1146 1763 3526 5289 7831 8213 10578 15662 16426 23493 24639 46986 49278 336733 673466 1010199 2020398