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42968026 = 2371015749
BaseRepresentation
bin1010001111101…
…0001111011010
32222212000001101
42203322033122
541444434101
64132542014
71031136133
oct243721732
988760041
1042968026
1122288572
121248190a
138b9578a
1459c6c8a
153b8b401
hex28fa3da

42968026 has 16 divisors (see below), whose sum is σ = 66861000. Its totient is φ = 20692800.

The previous prime is 42968017. The next prime is 42968047. The reversal of 42968026 is 62086924.

It is a Cunningham number, because it is equal to 65552+1.

It can be written as a sum of positive squares in 4 ways, for example, as 41280625 + 1687401 = 6425^2 + 1299^2 .

It is a super-3 number, since 3×429680263 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4600 + ... + 10348.

Almost surely, 242968026 is an apocalyptic number.

42968026 is a deficient number, since it is larger than the sum of its proper divisors (23892974).

42968026 is a wasteful number, since it uses less digits than its factorization.

42968026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 42968026 is about 6555.0000762777. Note that the first 4 decimals coincide. The cubic root of 42968026 is about 350.2529491194.

The spelling of 42968026 in words is "forty-two million, nine hundred sixty-eight thousand, twenty-six".

Divisors: 1 2 37 74 101 202 3737 5749 7474 11498 212713 425426 580649 1161298 21484013 42968026