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47107242 = 23271328759
BaseRepresentation
bin1011001110110…
…0110010101010
310021122021222200
42303230302222
544024412432
64401401030
71111255620
oct263546252
9107567880
1047107242
1124655406
1213939176
1399b4810
146383510
154207a7c
hex2ceccaa

47107242 has 48 divisors (see below), whose sum is σ = 125623680. Its totient is φ = 12423456.

The previous prime is 47107219. The next prime is 47107273. The reversal of 47107242 is 24270174.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12742 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (2617160).

Almost surely, 247107242 is an apocalyptic number.

47107242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47107242 is an abundant number, since it is smaller than the sum of its proper divisors (78516438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47107242 is a wasteful number, since it uses less digits than its factorization.

47107242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28787 (or 28784 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 47107242 is about 6863.4715705684. The cubic root of 47107242 is about 361.1568801703.

The spelling of 47107242 in words is "forty-seven million, one hundred seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 28759 57518 86277 172554 201313 258831 373867 402626 517662 603939 747734 1121601 1207878 1811817 2243202 2617069 3364803 3623634 5234138 6729606 7851207 15702414 23553621 47107242