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6240381 = 37297161
BaseRepresentation
bin10111110011100001111101
3102202001012020
4113303201331
53044143011
6341430353
7104020350
oct27634175
912661166
106240381
113582544
12210b3b9
1313a6544
14b86297
15834006
hex5f387d

6240381 has 8 divisors (see below), whose sum is σ = 9509184. Its totient is φ = 3565920.

The previous prime is 6240373. The next prime is 6240401. The reversal of 6240381 is 1830426.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6240381 - 23 = 6240373 is a prime.

It is a super-2 number, since 2×62403812 = 77884710050322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148560 + ... + 148601.

It is an arithmetic number, because the mean of its divisors is an integer number (1188648).

Almost surely, 26240381 is an apocalyptic number.

It is an amenable number.

6240381 is a deficient number, since it is larger than the sum of its proper divisors (3268803).

6240381 is a wasteful number, since it uses less digits than its factorization.

6240381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297171.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6240381 is about 2498.0754592286. The cubic root of 6240381 is about 184.1070285479.

The spelling of 6240381 in words is "six million, two hundred forty thousand, three hundred eighty-one".

Divisors: 1 3 7 21 297161 891483 2080127 6240381