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47052538 = 2134014513
BaseRepresentation
bin1011001101111…
…1011011111010
310021112111221121
42303133123322
544021140123
64400255454
71110640261
oct263373372
9107474847
1047052538
11246182a5
121391158a
139995950
14636b5d8
1541e675d
hex2cdf6fa

47052538 has 16 divisors (see below), whose sum is σ = 76214376. Its totient is φ = 21657600.

The previous prime is 47052521. The next prime is 47052539. The reversal of 47052538 is 83525074.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30835809 + 16216729 = 5553^2 + 4027^2 .

It is not an unprimeable number, because it can be changed into a prime (47052539) 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, 8170 + ... + 12682.

Almost surely, 247052538 is an apocalyptic number.

47052538 is a deficient number, since it is larger than the sum of its proper divisors (29161838).

47052538 is a wasteful number, since it uses less digits than its factorization.

47052538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 47052538 is about 6859.4852576560. The cubic root of 47052538 is about 361.0170263837.

The spelling of 47052538 in words is "forty-seven million, fifty-two thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 401 802 4513 5213 9026 10426 58669 117338 1809713 3619426 23526269 47052538