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47395053 = 3210948313
BaseRepresentation
bin1011010011001…
…1000011101101
310022011220210100
42310303003231
544113120203
64411501313
71113564666
oct264630355
9108156710
1047395053
1124831672
1213a57839
139a85814
14641a36d
154262ea3
hex2d330ed

47395053 has 12 divisors (see below), whose sum is σ = 69089020. Its totient is φ = 31306176.

The previous prime is 47395043. The next prime is 47395067. The reversal of 47395053 is 35059374.

It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 24383844 = 4797^2 + 4938^2 .

It is not a de Polignac number, because 47395053 - 24 = 47395037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47394999 and 47395017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47395043) 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, 23176 + ... + 25137.

Almost surely, 247395053 is an apocalyptic number.

It is an amenable number.

47395053 is a deficient number, since it is larger than the sum of its proper divisors (21693967).

47395053 is a wasteful number, since it uses less digits than its factorization.

47395053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48428 (or 48425 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 47395053 is about 6884.4065103682. The cubic root of 47395053 is about 361.8909070656.

The spelling of 47395053 in words is "forty-seven million, three hundred ninety-five thousand, fifty-three".

Divisors: 1 3 9 109 327 981 48313 144939 434817 5266117 15798351 47395053