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2240430 = 2351723191
BaseRepresentation
bin1000100010111110101110
311012211021220
420202332232
51033143210
6120004210
725020603
oct10427656
94184256
102240430
1112a02a5
12900666
136059ca
144246aa
152e3c70
hex222fae

2240430 has 64 divisors (see below), whose sum is σ = 5971968. Its totient is φ = 535040.

The previous prime is 2240389. The next prime is 2240431. The reversal of 2240430 is 340422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11635 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

22240430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2240430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2985984).

2240430 is an abundant number, since it is smaller than the sum of its proper divisors (3731538).

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

2240430 is a wasteful number, since it uses less digits than its factorization.

2240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2240430 is about 1496.8066007337. The cubic root of 2240430 is about 130.8510242440.

Adding to 2240430 its reverse (340422), we get a palindrome (2580852).

The spelling of 2240430 in words is "two million, two hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 23 30 34 46 51 69 85 102 115 138 170 191 230 255 345 382 391 510 573 690 782 955 1146 1173 1910 1955 2346 2865 3247 3910 4393 5730 5865 6494 8786 9741 11730 13179 16235 19482 21965 26358 32470 43930 48705 65895 74681 97410 131790 149362 224043 373405 448086 746810 1120215 2240430