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47738894 = 2713012621
BaseRepresentation
bin1011011000011…
…1000000001110
310022211101110012
42312013000032
544210121034
64423113222
71116526310
oct266070016
9108741405
1047738894
1124a46a35
1213ba2812
139b76188
1464a97b0
1542cecce
hex2d8700e

47738894 has 16 divisors (see below), whose sum is σ = 81932256. Its totient is φ = 20436000.

The previous prime is 47738893. The next prime is 47738903. The reversal of 47738894 is 49883774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47738891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16904 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (5120766).

Almost surely, 247738894 is an apocalyptic number.

47738894 is a deficient number, since it is larger than the sum of its proper divisors (34193362).

47738894 is a wasteful number, since it uses less digits than its factorization.

47738894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its digits is 1354752, while the sum is 50.

The square root of 47738894 is about 6909.3338318538. Note that the first 3 decimals coincide. The cubic root of 47738894 is about 362.7639463319.

The spelling of 47738894 in words is "forty-seven million, seven hundred thirty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 1301 2602 2621 5242 9107 18214 18347 36694 3409921 6819842 23869447 47738894