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601990 = 25371627
BaseRepresentation
bin10010010111110000110
31010120202221
42102332012
5123230430
620522554
75055034
oct2227606
91116687
10601990
11381314
1225045a
1318100c
14119554
15bd57a
hex92f86

601990 has 16 divisors (see below), whose sum is σ = 1113552. Its totient is φ = 234144.

The previous prime is 601981. The next prime is 602029. The reversal of 601990 is 99106.

601990 is nontrivially palindromic in base 4.

601990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (69597).

2601990 is an apocalyptic number.

601990 is a deficient number, since it is larger than the sum of its proper divisors (511562).

601990 is a wasteful number, since it uses less digits than its factorization.

601990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 601990 is about 775.8801453833. The cubic root of 601990 is about 84.4364097978.

The spelling of 601990 in words is "six hundred one thousand, nine hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 1627 3254 8135 16270 60199 120398 300995 601990