Search a number
-
+
2552280 = 233521269
BaseRepresentation
bin1001101111000111011000
311210200001220
421233013120
51123133110
6130412040
730460023
oct11570730
94720056
102552280
111493625
12a31020
136b4933
144a61ba
15356370
hex26f1d8

2552280 has 32 divisors (see below), whose sum is σ = 7657200. Its totient is φ = 680576.

The previous prime is 2552279. The next prime is 2552293. The reversal of 2552280 is 822552.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2552280.

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, 10515 + ... + 10754.

22552280 is an apocalyptic number.

2552280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552280 is an abundant number, since it is smaller than the sum of its proper divisors (5104920).

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

2552280 is a wasteful number, since it uses less digits than its factorization.

2552280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283 (or 21279 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2552280 is about 1597.5856784536. The cubic root of 2552280 is about 136.6604267096.

The spelling of 2552280 in words is "two million, five hundred fifty-two thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 21269 42538 63807 85076 106345 127614 170152 212690 255228 319035 425380 510456 638070 850760 1276140 2552280