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5550780 = 2235711303
BaseRepresentation
bin10101001011001010111100
3101110000020110
4111023022330
52410111110
6314550020
765116014
oct25131274
911400213
105550780
113151424
121a38310
1311c46b1
14a46c44
15749a20
hex54b2bc

5550780 has 48 divisors (see below), whose sum is σ = 15773184. Its totient is φ = 1458240.

The previous prime is 5550763. The next prime is 5550821. The reversal of 5550780 is 870555.

It is a happy number.

5550780 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55507802 = 61622317216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3609 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (328608).

Almost surely, 25550780 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 5550780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7886592).

5550780 is an abundant number, since it is smaller than the sum of its proper divisors (10222404).

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

5550780 is a wasteful number, since it uses less digits than its factorization.

5550780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 5550780 is about 2356.0093378423. The cubic root of 5550780 is about 177.0589991322.

The spelling of 5550780 in words is "five million, five hundred fifty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1303 1420 2130 2606 3909 4260 5212 6515 7818 13030 15636 19545 26060 39090 78180 92513 185026 277539 370052 462565 555078 925130 1110156 1387695 1850260 2775390 5550780