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42706274 = 2131642549
BaseRepresentation
bin1010001011101…
…0010101100010
32222100200222212
42202322111202
541413100044
64123202122
71025666042
oct242722542
988320885
1042706274
1122119946
1212376342
138b035b0
145959722
153b38a9e
hex28ba562

42706274 has 8 divisors (see below), whose sum is σ = 68987100. Its totient is φ = 19710576.

The previous prime is 42706271. The next prime is 42706303. The reversal of 42706274 is 47260724.

It can be written as a sum of positive squares in 2 ways, for example, as 42706225 + 49 = 6535^2 + 7^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42706274.

It is not an unprimeable number, because it can be changed into a prime (42706271) 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, 821249 + ... + 821300.

Almost surely, 242706274 is an apocalyptic number.

42706274 is a deficient number, since it is larger than the sum of its proper divisors (26280826).

42706274 is a wasteful number, since it uses less digits than its factorization.

42706274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642564.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 42706274 is about 6535.0037490425. The cubic root of 42706274 is about 349.5402780563.

Adding to 42706274 its reverse (47260724), we get a palindrome (89966998).

The spelling of 42706274 in words is "forty-two million, seven hundred six thousand, two hundred seventy-four".

Divisors: 1 2 13 26 1642549 3285098 21353137 42706274