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47742258 = 2340119843
BaseRepresentation
bin1011011000011…
…1110100110010
310022211120001210
42312013310302
544210223013
64423140550
71116542154
oct266076462
9108746053
1047742258
1124a49513
1213ba4756
139b77875
1464aaad4
1542d0cc3
hex2d87d32

47742258 has 16 divisors (see below), whose sum is σ = 95727456. Its totient is φ = 15873600.

The previous prime is 47742209. The next prime is 47742259. The reversal of 47742258 is 85224774.

It is not an unprimeable number, because it can be changed into a prime (47742259) 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, 7516 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (5982966).

Almost surely, 247742258 is an apocalyptic number.

47742258 is an abundant number, since it is smaller than the sum of its proper divisors (47985198).

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

47742258 is a wasteful number, since it uses less digits than its factorization.

47742258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249.

The product of its digits is 125440, while the sum is 39.

The square root of 47742258 is about 6909.5772663746. The cubic root of 47742258 is about 362.7724670519.

The spelling of 47742258 in words is "forty-seven million, seven hundred forty-two thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 401 802 1203 2406 19843 39686 59529 119058 7957043 15914086 23871129 47742258