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47106553 = 1322312119
BaseRepresentation
bin1011001110110…
…0100111111001
310021122021001011
42303230213321
544024402203
64401353521
71111253614
oct263544771
9107567034
1047106553
112465493a
12139388a1
1399b4400
14638317b
15420776d
hex2cec9f9

47106553 has 12 divisors (see below), whose sum is σ = 53231040. Its totient is φ = 41588976.

The previous prime is 47106551. The next prime is 47106557. The reversal of 47106553 is 35560174.

It is not a de Polignac number, because 47106553 - 21 = 47106551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47106551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2173 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (4435920).

Almost surely, 247106553 is an apocalyptic number.

It is an amenable number.

47106553 is a deficient number, since it is larger than the sum of its proper divisors (6124487).

47106553 is a wasteful number, since it uses less digits than its factorization.

47106553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 47106553 is about 6863.4213771267. The cubic root of 47106553 is about 361.1551193773.

The spelling of 47106553 in words is "forty-seven million, one hundred six thousand, five hundred fifty-three".

Divisors: 1 13 23 169 299 3887 12119 157547 278737 2048111 3623581 47106553