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47477044 = 2211869261
BaseRepresentation
bin1011010100011…
…1000100110100
310022100002021001
42311013010310
544123231134
64413333044
71114356016
oct265070464
9108302231
1047477044
112488822a
1213a97184
139ab3c34
14643c1b6
15427c414
hex2d47134

47477044 has 6 divisors (see below), whose sum is σ = 83084834. Its totient is φ = 23738520.

The previous prime is 47477041. The next prime is 47477069. The reversal of 47477044 is 44077474.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 22676644 = 4980^2 + 4762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47476994 and 47477012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47477041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934627 + ... + 5934634.

Almost surely, 247477044 is an apocalyptic number.

It is an amenable number.

47477044 is a deficient number, since it is larger than the sum of its proper divisors (35607790).

47477044 is a wasteful number, since it uses less digits than its factorization.

47477044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869265 (or 11869263 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 47477044 is about 6890.3587715009. The cubic root of 47477044 is about 362.0994710520.

The spelling of 47477044 in words is "forty-seven million, four hundred seventy-seven thousand, forty-four".

Divisors: 1 2 4 11869261 23738522 47477044