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38624401 = 383100847
BaseRepresentation
bin1001001101010…
…1110010010001
32200200022201101
42103111302101
534341440101
63455504401
7646205404
oct223256221
980608641
1038624401
111a8910a2
1210b28101
13800469a
1451b5d3b
1535ce401
hex24d5c91

38624401 has 4 divisors (see below), whose sum is σ = 38725632. Its totient is φ = 38523172.

The previous prime is 38624389. The next prime is 38624413. The reversal of 38624401 is 10442683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (38624389) and next prime (38624413).

It is a cyclic number.

It is not a de Polignac number, because 38624401 - 213 = 38616209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38624401.

It is not an unprimeable number, because it can be changed into a prime (38624431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50041 + ... + 50806.

It is an arithmetic number, because the mean of its divisors is an integer number (9681408).

Almost surely, 238624401 is an apocalyptic number.

It is an amenable number.

38624401 is a deficient number, since it is larger than the sum of its proper divisors (101231).

38624401 is a wasteful number, since it uses less digits than its factorization.

38624401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101230.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 38624401 is about 6214.8532565138. The cubic root of 38624401 is about 338.0289676747.

The spelling of 38624401 in words is "thirty-eight million, six hundred twenty-four thousand, four hundred one".

Divisors: 1 383 100847 38624401