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42636308 = 221113131569
BaseRepresentation
bin1010001010100…
…1010000010100
32222020011000112
42202221100110
541403330213
64121502152
71025255051
oct242512024
988204015
1042636308
1122081320
1212341958
138aaa7b0
14593c028
153b22ea8
hex28a9414

42636308 has 48 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 17721600.

The previous prime is 42636277. The next prime is 42636317. The reversal of 42636308 is 80363624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74648 + ... + 75216.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 242636308 is an apocalyptic number.

It is an amenable number.

42636308 is an abundant number, since it is smaller than the sum of its proper divisors (45845932).

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

42636308 is a wasteful number, since it uses less digits than its factorization.

42636308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 42636308 is about 6529.6483825701. The cubic root of 42636308 is about 349.3492889235.

The spelling of 42636308 in words is "forty-two million, six hundred thirty-six thousand, three hundred eight".

Divisors: 1 2 4 11 13 22 26 44 52 131 143 262 286 524 569 572 1138 1441 1703 2276 2882 3406 5764 6259 6812 7397 12518 14794 18733 25036 29588 37466 74539 74932 81367 149078 162734 298156 325468 819929 969007 1639858 1938014 3279716 3876028 10659077 21318154 42636308