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2238830 = 251120353
BaseRepresentation
bin1000100010100101101110
311012202002122
420202211232
51033120310
6115552542
725013126
oct10424556
94182078
102238830
11129a080
128bb752
13605069
14423c86
152e3555
hex22296e

2238830 has 16 divisors (see below), whose sum is σ = 4396464. Its totient is φ = 814080.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238830 is 388322.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238830.

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, 10067 + ... + 10286.

It is an arithmetic number, because the mean of its divisors is an integer number (274779).

22238830 is an apocalyptic number.

2238830 is a deficient number, since it is larger than the sum of its proper divisors (2157634).

2238830 is a wasteful number, since it uses less digits than its factorization.

2238830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2238830 is about 1496.2720340901. The cubic root of 2238830 is about 130.8198677997.

It can be divided in two parts, 2 and 238830, that added together give a palindrome (238832).

The spelling of 2238830 in words is "two million, two hundred thirty-eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 20353 40706 101765 203530 223883 447766 1119415 2238830