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4638013 = 61139547
BaseRepresentation
bin10001101100010100111101
322201122011021
4101230110331
52141404023
6243224141
754264622
oct21542475
98648137
104638013
112688676
121678051
13c650b3
1488a349
1561935d
hex46c53d

4638013 has 8 divisors (see below), whose sum is σ = 4756640. Its totient is φ = 4520880.

The previous prime is 4638001. The next prime is 4638017. The reversal of 4638013 is 3108364.

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 4638013 - 25 = 4637981 is a prime.

It is a super-2 number, since 2×46380132 = 43022329176338, 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 (4638017) 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, 8206 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (594580).

Almost surely, 24638013 is an apocalyptic number.

It is an amenable number.

4638013 is a deficient number, since it is larger than the sum of its proper divisors (118627).

4638013 is a wasteful number, since it uses less digits than its factorization.

4638013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4638013 is about 2153.6046526696. The cubic root of 4638013 is about 166.7672064494.

The spelling of 4638013 in words is "four million, six hundred thirty-eight thousand, thirteen".

Divisors: 1 61 139 547 8479 33367 76033 4638013