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4273040 = 245311723
BaseRepresentation
bin10000010011001110010000
322001002111202
4100103032100
52043214130
6231330332
751214562
oct20231620
98032452
104273040
112459442
1215209a8
13b67c35
147d3332
15596145
hex413390

4273040 has 40 divisors (see below), whose sum is σ = 10261248. Its totient is φ = 1653120.

The previous prime is 4273037. The next prime is 4273051. The reversal of 4273040 is 403724.

It is a happy number.

4273040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1619 + ... + 3341.

Almost surely, 24273040 is an apocalyptic number.

4273040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4273040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5130624).

4273040 is an abundant number, since it is smaller than the sum of its proper divisors (5988208).

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

4273040 is a wasteful number, since it uses less digits than its factorization.

4273040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4273040 is about 2067.1332806571. The cubic root of 4273040 is about 162.2727711643.

Adding to 4273040 its reverse (403724), we get a palindrome (4676764).

The spelling of 4273040 in words is "four million, two hundred seventy-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 1723 2480 3446 6892 8615 13784 17230 27568 34460 53413 68920 106826 137840 213652 267065 427304 534130 854608 1068260 2136520 4273040