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242502806 = 27131332433
BaseRepresentation
bin11100111010001…
…00110010010110
3121220022102022102
432131010302112
5444040042211
640021402102
76003145160
oct1635046226
9556272272
10242502806
11114982a47
1269269332
133b3190b0
14242c7930
1516452a3b
hexe744c96

242502806 has 16 divisors (see below), whose sum is σ = 447697824. Its totient is φ = 95935104.

The previous prime is 242502797. The next prime is 242502809. The reversal of 242502806 is 608205242.

242502806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2425028062 = 117615221835747272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666035 + ... + 666398.

It is an arithmetic number, because the mean of its divisors is an integer number (27981114).

Almost surely, 2242502806 is an apocalyptic number.

242502806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242502806 is a deficient number, since it is larger than the sum of its proper divisors (205195018).

242502806 is a wasteful number, since it uses less digits than its factorization.

242502806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332455.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 242502806 is about 15572.5015973671. The cubic root of 242502806 is about 623.5992574712.

The spelling of 242502806 in words is "two hundred forty-two million, five hundred two thousand, eight hundred six".

Divisors: 1 2 7 13 14 26 91 182 1332433 2664866 9327031 17321629 18654062 34643258 121251403 242502806