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47450051 = 114313641
BaseRepresentation
bin1011010100000…
…0011111000011
310022021201020022
42311000133003
544121400201
64413004055
71114214225
oct265003703
9108251208
1047450051
1124869a20
1213a8362b
139aa486c
146432415
15427441b
hex2d407c3

47450051 has 4 divisors (see below), whose sum is σ = 51763704. Its totient is φ = 43136400.

The previous prime is 47450041. The next prime is 47450063. The reversal of 47450051 is 15005474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47450051 - 210 = 47449027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47450051.

It is not an unprimeable number, because it can be changed into a prime (47450041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156810 + ... + 2156831.

It is an arithmetic number, because the mean of its divisors is an integer number (12940926).

Almost surely, 247450051 is an apocalyptic number.

47450051 is a deficient number, since it is larger than the sum of its proper divisors (4313653).

47450051 is a wasteful number, since it uses less digits than its factorization.

47450051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313652.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 47450051 is about 6888.3997415946. The cubic root of 47450051 is about 362.0308343443.

The spelling of 47450051 in words is "forty-seven million, four hundred fifty thousand, fifty-one".

Divisors: 1 11 4313641 47450051