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242774510 = 25116197373
BaseRepresentation
bin11100111100001…
…11000111101110
3121220211020000112
432132013013232
5444122241020
640031300022
76005356256
oct1636070756
9556736015
10242774510
111150490a0
126937a612
133b3b2974
1424358966
15164a82c5
hexe7871ee

242774510 has 64 divisors (see below), whose sum is σ = 490843584. Its totient is φ = 85708800.

The previous prime is 242774509. The next prime is 242774531. The reversal of 242774510 is 15477242.

242774510 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650684 + ... + 651056.

It is an arithmetic number, because the mean of its divisors is an integer number (7669431).

Almost surely, 2242774510 is an apocalyptic number.

242774510 is an abundant number, since it is smaller than the sum of its proper divisors (248069074).

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

242774510 is a wasteful number, since it uses less digits than its factorization.

242774510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 242774510 is about 15581.2229943609. Note that the first 3 decimals coincide. The cubic root of 242774510 is about 623.8320673863.

The spelling of 242774510 in words is "two hundred forty-two million, seven hundred seventy-four thousand, five hundred ten".

Divisors: 1 2 5 10 11 22 55 61 97 110 122 194 305 373 485 610 671 746 970 1067 1342 1865 2134 3355 3730 4103 5335 5917 6710 8206 10670 11834 20515 22753 29585 36181 41030 45506 59170 65087 72362 113765 130174 180905 227530 250283 325435 361810 397991 500566 650870 795982 1251415 1989955 2207041 2502830 3979910 4414082 11035205 22070410 24277451 48554902 121387255 242774510