Search a number
-
+
47638004 = 2221375573
BaseRepresentation
bin1011010110111…
…0010111110100
310022122021001112
42311232113310
544143404004
64421014152
71115626211
oct265562764
9108567045
1047638004
1124988157
1213b54358
139b3c28b
146480b08
1542aee6e
hex2d6e5f4

47638004 has 12 divisors (see below), whose sum is σ = 83420484. Its totient is φ = 23803584.

The previous prime is 47638001. The next prime is 47638007. The reversal of 47638004 is 40083674.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47638001) and next prime (47638007).

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 45535504 = 1450^2 + 6748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47638001) 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, 5762 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (6951707).

Almost surely, 247638004 is an apocalyptic number.

It is an amenable number.

47638004 is a deficient number, since it is larger than the sum of its proper divisors (35782480).

47638004 is a wasteful number, since it uses less digits than its factorization.

47638004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 47638004 is about 6902.0289770473. The cubic root of 47638004 is about 362.5082144789.

The spelling of 47638004 in words is "forty-seven million, six hundred thirty-eight thousand, four".

Divisors: 1 2 4 2137 4274 5573 8548 11146 22292 11909501 23819002 47638004