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47007982 = 273790749
BaseRepresentation
bin1011001101010…
…0100011101110
310021110020211101
42303110203232
544013223412
64355313314
71110363340
oct263244356
9107406741
1047007982
112459787a
12138ab83a
13997b598
146359290
1541d8457
hex2cd48ee

47007982 has 16 divisors (see below), whose sum is σ = 82764000. Its totient is φ = 19601568.

The previous prime is 47007971. The next prime is 47008001. The reversal of 47007982 is 28970074.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44857 + ... + 45892.

It is an arithmetic number, because the mean of its divisors is an integer number (5172750).

Almost surely, 247007982 is an apocalyptic number.

47007982 is a deficient number, since it is larger than the sum of its proper divisors (35756018).

47007982 is a wasteful number, since it uses less digits than its factorization.

47007982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90795.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 47007982 is about 6856.2367228677. The cubic root of 47007982 is about 360.9030363963.

The spelling of 47007982 in words is "forty-seven million, seven thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 37 74 259 518 90749 181498 635243 1270486 3357713 6715426 23503991 47007982