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47072102 = 2711305663
BaseRepresentation
bin1011001110010…
…0001101100110
310021120111210012
42303210031212
544022301402
64400530222
71111051310
oct263441546
9107514705
1047072102
1124630a70
1213920972
1399a181c
1463747b0
1541ec452
hex2ce4366

47072102 has 16 divisors (see below), whose sum is σ = 88031232. Its totient is φ = 18339720.

The previous prime is 47072093. The next prime is 47072107. The reversal of 47072102 is 20127074.

47072102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47072107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152678 + ... + 152985.

It is an arithmetic number, because the mean of its divisors is an integer number (5501952).

Almost surely, 247072102 is an apocalyptic number.

47072102 is a deficient number, since it is larger than the sum of its proper divisors (40959130).

47072102 is a wasteful number, since it uses less digits than its factorization.

47072102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305683.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 47072102 is about 6860.9111639781. The cubic root of 47072102 is about 361.0670552714.

Adding to 47072102 its reverse (20127074), we get a palindrome (67199176).

It can be divided in two parts, 47072 and 102, that added together give a palindrome (47174).

The spelling of 47072102 in words is "forty-seven million, seventy-two thousand, one hundred two".

Divisors: 1 2 7 11 14 22 77 154 305663 611326 2139641 3362293 4279282 6724586 23536051 47072102