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47405917441 = 23929112
BaseRepresentation
bin101100001001100111…
…001110010100000001
311112100210121010100001
4230021213032110001
51234041403324231
633440013200001
73265522435561
oct541147162401
9145323533301
1047405917441
111911744a473
129230190001
1346164bc32c
142419dccda1
151376c82b61
hexb099ce501

47405917441 has 9 divisors (see below), whose sum is σ = 47657411713. Its totient is φ = 47155746820.

The previous prime is 47405917421. The next prime is 47405917451. The reversal of 47405917441 is 14471950474.

The square root of 47405917441 is 217729.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 47405917441 - 27 = 47405917313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47405917391 and 47405917400.

It is not an unprimeable number, because it can be changed into a prime (47405917421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52036776 + ... + 52037686.

Almost surely, 247405917441 is an apocalyptic number.

47405917441 is the 217729-th square number.

47405917441 is the 108865-th centered octagonal number.

It is an amenable number.

47405917441 is a deficient number, since it is larger than the sum of its proper divisors (251494272).

47405917441 is an frugal number, since it uses more digits than its factorization.

47405917441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 47405917441 in words is "forty-seven billion, four hundred five million, nine hundred seventeen thousand, four hundred forty-one".

Divisors: 1 239 911 57121 217729 829921 52037231 198351119 47405917441