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47381097 = 315793699
BaseRepresentation
bin1011010010111…
…1101001101001
310022011012122110
42310233221221
544112143342
64411312533
71113506211
oct264575151
9108135573
1047381097
1124822135
1213a4b749
139a7c36a
146415241
15425dc9c
hex2d2fa69

47381097 has 4 divisors (see below), whose sum is σ = 63174800. Its totient is φ = 31587396.

The previous prime is 47381093. The next prime is 47381107. The reversal of 47381097 is 79018374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47381097 - 22 = 47381093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47381093) 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, 7896847 + ... + 7896852.

It is an arithmetic number, because the mean of its divisors is an integer number (15793700).

Almost surely, 247381097 is an apocalyptic number.

It is an amenable number.

47381097 is a deficient number, since it is larger than the sum of its proper divisors (15793703).

47381097 is a wasteful number, since it uses less digits than its factorization.

47381097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793702.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 47381097 is about 6883.3928407436. The cubic root of 47381097 is about 361.8553826456.

The spelling of 47381097 in words is "forty-seven million, three hundred eighty-one thousand, ninety-seven".

Divisors: 1 3 15793699 47381097