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10001487 = 310873067
BaseRepresentation
bin100110001001…
…110001001111
3200211010110110
4212021301033
510030021422
6554211103
7151003566
oct46116117
920733413
1010001487
1157112a1
123423a93
1320c2452
141484bdd
15d2860c
hex989c4f

10001487 has 8 divisors (see below), whose sum is σ = 13351936. Its totient is φ = 6659352.

The previous prime is 10001483. The next prime is 10001501. The reversal of 10001487 is 78410001.

10001487 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10001487 - 22 = 10001483 is a prime.

It is a super-2 number, since 2×100014872 = 200059484422338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001483) 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, 1728 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (1668992).

Almost surely, 210001487 is an apocalyptic number.

10001487 is a deficient number, since it is larger than the sum of its proper divisors (3350449).

10001487 is a wasteful number, since it uses less digits than its factorization.

10001487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 10001487 is about 3162.5127667726. The cubic root of 10001487 is about 215.4541472885.

Adding to 10001487 its reverse (78410001), we get a palindrome (88411488).

The spelling of 10001487 in words is "ten million, one thousand, four hundred eighty-seven".

Divisors: 1 3 1087 3067 3261 9201 3333829 10001487