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47942198 = 2151158749
BaseRepresentation
bin1011011011100…
…0101000110110
310100012201022222
42312320220312
544233122243
64431322342
71121334113
oct266705066
9110181288
1047942198
1125075757
12140803b2
139c17885
14651d90a
154320168
hex2db8a36

47942198 has 8 divisors (see below), whose sum is σ = 72390000. Its totient is φ = 23812200.

The previous prime is 47942197. The next prime is 47942203. The reversal of 47942198 is 89124974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47942197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79073 + ... + 79676.

It is an arithmetic number, because the mean of its divisors is an integer number (9048750).

Almost surely, 247942198 is an apocalyptic number.

47942198 is a deficient number, since it is larger than the sum of its proper divisors (24447802).

47942198 is a wasteful number, since it uses less digits than its factorization.

47942198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158902.

The product of its digits is 145152, while the sum is 44.

The square root of 47942198 is about 6924.0304736476. The cubic root of 47942198 is about 363.2781805201.

The spelling of 47942198 in words is "forty-seven million, nine hundred forty-two thousand, one hundred ninety-eight".

Divisors: 1 2 151 302 158749 317498 23971099 47942198