Search a number
-
+
10431240 = 233586927
BaseRepresentation
bin100111110010…
…101100001000
3201121221222020
4213302230020
510132244430
61011324440
7154443531
oct47625410
921557866
1010431240
115985166
1235b0720
132212c41
141557688
15db0b10
hex9f2b08

10431240 has 32 divisors (see below), whose sum is σ = 31294080. Its totient is φ = 2781632.

The previous prime is 10431233. The next prime is 10431263. The reversal of 10431240 is 4213401.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43344 + ... + 43583.

It is an arithmetic number, because the mean of its divisors is an integer number (977940).

Almost surely, 210431240 is an apocalyptic number.

10431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10431240 is an abundant number, since it is smaller than the sum of its proper divisors (20862840).

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

10431240 is a wasteful number, since it uses less digits than its factorization.

10431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86941 (or 86937 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10431240 is about 3229.7430238333. The cubic root of 10431240 is about 218.4969165590.

Adding to 10431240 its reverse (4213401), we get a palindrome (14644641).

The spelling of 10431240 in words is "ten million, four hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 86927 173854 260781 347708 434635 521562 695416 869270 1043124 1303905 1738540 2086248 2607810 3477080 5215620 10431240