Search a number
-
+
1228600 = 23526143
BaseRepresentation
bin100101011111100111000
32022102022201
410223330320
5303303400
642155544
713304632
oct4537470
92272281
101228600
1176a07a
124b2bb4
133402a9
1423da52
1519406a
hex12bf38

1228600 has 24 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 491360.

The previous prime is 1228589. The next prime is 1228603. The reversal of 1228600 is 68221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2872 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (119040).

21228600 is an apocalyptic number.

1228600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228600 is an abundant number, since it is smaller than the sum of its proper divisors (1628360).

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

1228600 is a wasteful number, since it uses less digits than its factorization.

1228600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1228600 is about 1108.4223021935. The cubic root of 1228600 is about 107.1034606479.

The spelling of 1228600 in words is "one million, two hundred twenty-eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 6143 12286 24572 30715 49144 61430 122860 153575 245720 307150 614300 1228600