Search a number
-
+
2258400 = 25352941
BaseRepresentation
bin1000100111010111100000
311020201221110
420213113200
51034232100
6120223320
725124154
oct10472740
94221843
102258400
111302851
1290ab40
13610c41
1442b064
152e9250
hex2275e0

2258400 has 72 divisors (see below), whose sum is σ = 7358904. Its totient is φ = 601600.

The previous prime is 2258387. The next prime is 2258407. The reversal of 2258400 is 48522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930 + ... + 2870.

It is an arithmetic number, because the mean of its divisors is an integer number (102207).

22258400 is an apocalyptic number.

2258400 is a gapful number since it is divisible by the number (20) 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 2258400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679452).

2258400 is an abundant number, since it is smaller than the sum of its proper divisors (5100504).

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

2258400 is a wasteful number, since it uses less digits than its factorization.

2258400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2258400 is about 1502.7973915335. The cubic root of 2258400 is about 131.1999355542.

The spelling of 2258400 in words is "two million, two hundred fifty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 941 1200 1882 2400 2823 3764 4705 5646 7528 9410 11292 14115 15056 18820 22584 23525 28230 30112 37640 45168 47050 56460 70575 75280 90336 94100 112920 141150 150560 188200 225840 282300 376400 451680 564600 752800 1129200 2258400