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10140487 = 79971453
BaseRepresentation
bin100110101011…
…101101000111
3201002012010121
4212223231013
510043443422
61001202411
7152123050
oct46535507
921065117
1010140487
1157a6775
123490407
1321407b6
1414bd727
15d548c7
hex9abb47

10140487 has 8 divisors (see below), whose sum is σ = 11608736. Its totient is φ = 8677152.

The previous prime is 10140469. The next prime is 10140499. The reversal of 10140487 is 78404101.

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

It is a cyclic number.

It is not a de Polignac number, because 10140487 - 219 = 9616199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140187) 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, 6253 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (1451092).

Almost surely, 210140487 is an apocalyptic number.

10140487 is a deficient number, since it is larger than the sum of its proper divisors (1468249).

10140487 is an equidigital number, since it uses as much as digits as its factorization.

10140487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 10140487 is about 3184.4131327452. The cubic root of 10140487 is about 216.4476811780.

Adding to 10140487 its reverse (78404101), we get a palindrome (88544588).

The spelling of 10140487 in words is "ten million, one hundred forty thousand, four hundred eighty-seven".

Divisors: 1 7 997 1453 6979 10171 1448641 10140487