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5440020 = 2235711277
BaseRepresentation
bin10100110000001000010100
3101020101022020
4110300020110
52343040040
6312333140
764145055
oct24601024
911211266
105440020
113086193
1219a41b0
131186161
14a1872c
15726cd0
hex530214

5440020 has 48 divisors (see below), whose sum is σ = 15458688. Its totient is φ = 1429120.

The previous prime is 5440013. The next prime is 5440027. The reversal of 5440020 is 200445.

It is an interprime number because it is at equal distance from previous prime (5440013) and next prime (5440027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (322056).

Almost surely, 25440020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7729344).

5440020 is an abundant number, since it is smaller than the sum of its proper divisors (10018668).

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

5440020 is a wasteful number, since it uses less digits than its factorization.

5440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 5440020 is about 2332.3850453988. The cubic root of 5440020 is about 175.8734024169.

Adding to 5440020 its reverse (200445), we get a palindrome (5640465).

The spelling of 5440020 in words is "five million, four hundred forty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1277 1420 2130 2554 3831 4260 5108 6385 7662 12770 15324 19155 25540 38310 76620 90667 181334 272001 362668 453335 544002 906670 1088004 1360005 1813340 2720010 5440020