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242364440 = 23522926459
BaseRepresentation
bin11100111001000…
…11000000011000
3121220001101111202
432130203000120
5444021130230
640014413332
76002030603
oct1634430030
9556041452
10242364440
11114898a9a
1269201248
133b29b116
142428d33a
1516426a45
hexe723018

242364440 has 32 divisors (see below), whose sum is σ = 547722000. Its totient is φ = 96518784.

The previous prime is 242364439. The next prime is 242364457. The reversal of 242364440 is 44463242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4070 + ... + 22389.

Almost surely, 2242364440 is an apocalyptic number.

242364440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242364440 is an abundant number, since it is smaller than the sum of its proper divisors (305357560).

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

242364440 is a wasteful number, since it uses less digits than its factorization.

242364440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26699 (or 26695 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 242364440 is about 15568.0583246595. The cubic root of 242364440 is about 623.4806315576.

The spelling of 242364440 in words is "two hundred forty-two million, three hundred sixty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 229 458 916 1145 1832 2290 4580 9160 26459 52918 105836 132295 211672 264590 529180 1058360 6059111 12118222 24236444 30295555 48472888 60591110 121182220 242364440