Search a number
-
+
2239430 = 25239937
BaseRepresentation
bin1000100010101111000110
311012202220212
420202233012
51033130210
6115555422
725014644
oct10425706
94182825
102239430
11129a576
128bbb72
1360540b
14424194
152e3805
hex222bc6

2239430 has 16 divisors (see below), whose sum is σ = 4052160. Its totient is φ = 891072.

The previous prime is 2239417. The next prime is 2239453. The reversal of 2239430 is 349322.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2239396 and 2239405.

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, 1922 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (253260).

22239430 is an apocalyptic number.

2239430 is a deficient number, since it is larger than the sum of its proper divisors (1812730).

2239430 is a wasteful number, since it uses less digits than its factorization.

2239430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2239430 is about 1496.4725189592. The cubic root of 2239430 is about 130.8315532053.

The spelling of 2239430 in words is "two million, two hundred thirty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 239 478 937 1195 1874 2390 4685 9370 223943 447886 1119715 2239430