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47513906 = 2112393901
BaseRepresentation
bin1011010101000…
…0000100110010
310022101221211022
42311100010302
544130421111
64414215442
71114601336
oct265200462
9108357738
1047513906
11249029a0
1213ab4582
139ac794b
14644b7c6
1542882db
hex2d50132

47513906 has 16 divisors (see below), whose sum is σ = 81131328. Its totient is φ = 20658000.

The previous prime is 47513899. The next prime is 47513909. The reversal of 47513906 is 60931574.

It is not an unprimeable number, because it can be changed into a prime (47513909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46445 + ... + 47456.

It is an arithmetic number, because the mean of its divisors is an integer number (5070708).

Almost surely, 247513906 is an apocalyptic number.

47513906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47513906 is a deficient number, since it is larger than the sum of its proper divisors (33617422).

47513906 is a wasteful number, since it uses less digits than its factorization.

47513906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93937.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 47513906 is about 6893.0331494923. The cubic root of 47513906 is about 362.1931602443.

The spelling of 47513906 in words is "forty-seven million, five hundred thirteen thousand, nine hundred six".

Divisors: 1 2 11 22 23 46 253 506 93901 187802 1032911 2065822 2159723 4319446 23756953 47513906