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42704258 = 2127168127
BaseRepresentation
bin1010001011100…
…1110110000010
32222100121020012
42202321312002
541413014013
64123144522
71025660132
oct242716602
988317205
1042704258
1122118383
1212375142
138b026bc
145958ac2
153b381a8
hex28b9d82

42704258 has 8 divisors (see below), whose sum is σ = 64561152. Its totient is φ = 21183876.

The previous prime is 42704257. The next prime is 42704309. The reversal of 42704258 is 85240724.

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

It is a super-3 number, since 3×427042583 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42704251) 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, 83810 + ... + 84317.

It is an arithmetic number, because the mean of its divisors is an integer number (8070144).

Almost surely, 242704258 is an apocalyptic number.

42704258 is a deficient number, since it is larger than the sum of its proper divisors (21856894).

42704258 is a wasteful number, since it uses less digits than its factorization.

42704258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168256.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42704258 is about 6534.8495009449. The cubic root of 42704258 is about 349.5347778161.

The spelling of 42704258 in words is "forty-two million, seven hundred four thousand, two hundred fifty-eight".

Divisors: 1 2 127 254 168127 336254 21352129 42704258