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6240423 = 372910247
BaseRepresentation
bin10111110011100010100111
3102202001020210
4113303202213
53044143143
6341430503
7104020440
oct27634247
912661223
106240423
113582582
12210b433
1313a6577
14b862c7
15834033
hex5f38a7

6240423 has 16 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 3442656.

The previous prime is 6240419. The next prime is 6240431. The reversal of 6240423 is 3240426.

It is not a de Polignac number, because 6240423 - 22 = 6240419 is a prime.

It is a super-4 number, since 4×62404234 (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 6240423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (614880).

Almost surely, 26240423 is an apocalyptic number.

6240423 is a deficient number, since it is larger than the sum of its proper divisors (3597657).

6240423 is a wasteful number, since it uses less digits than its factorization.

6240423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6240423 is about 2498.0838656859. The cubic root of 6240423 is about 184.1074415824.

Adding to 6240423 its reverse (3240426), we get a palindrome (9480849).

The spelling of 6240423 in words is "six million, two hundred forty thousand, four hundred twenty-three".

Divisors: 1 3 7 21 29 87 203 609 10247 30741 71729 215187 297163 891489 2080141 6240423