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47138036 = 22117179191
BaseRepresentation
bin1011001111010…
…0010011110100
310021200212020012
42303310103310
544031404121
64402155352
71111444451
oct263642364
9107625205
1047138036
1124676560
1213952b58
1399c583a
146390828
154211c5b
hex2cf44f4

47138036 has 48 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 20748000.

The previous prime is 47138009. The next prime is 47138057. The reversal of 47138036 is 63083174.

It is a junction number, because it is equal to n+sod(n) for n = 47137993 and 47138011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246701 + ... + 246891.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 247138036 is an apocalyptic number.

It is an amenable number.

47138036 is a deficient number, since it is larger than the sum of its proper divisors (45759244).

47138036 is a wasteful number, since it uses less digits than its factorization.

47138036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 47138036 is about 6865.7145294572. The cubic root of 47138036 is about 361.2355591023.

The spelling of 47138036 in words is "forty-seven million, one hundred thirty-eight thousand, thirty-six".

Divisors: 1 2 4 11 22 44 71 79 142 158 191 284 316 382 764 781 869 1562 1738 2101 3124 3476 4202 5609 8404 11218 13561 15089 22436 27122 30178 54244 60356 61699 123398 149171 165979 246796 298342 331958 596684 663916 1071319 2142638 4285276 11784509 23569018 47138036