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38630407 = 294912713
BaseRepresentation
bin1001001101011…
…1010000000111
32200200121221211
42103113100013
534342133112
63455552251
7646232044
oct223272007
980617854
1038630407
111a895662
1210b2b687
13800733a
1451b81cb
1535d10a7
hex24d7407

38630407 has 8 divisors (see below), whose sum is σ = 40058640. Its totient is φ = 37208640.

The previous prime is 38630399. The next prime is 38630413. The reversal of 38630407 is 70403683.

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 38630407 - 23 = 38630399 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 (38630497) 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, 12883 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (5007330).

Almost surely, 238630407 is an apocalyptic number.

38630407 is a deficient number, since it is larger than the sum of its proper divisors (1428233).

38630407 is a wasteful number, since it uses less digits than its factorization.

38630407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 38630407 is about 6215.3364349808. The cubic root of 38630407 is about 338.0464876596.

The spelling of 38630407 in words is "thirty-eight million, six hundred thirty thousand, four hundred seven".

Divisors: 1 29 491 2713 14239 78677 1332083 38630407