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242470000 = 245424247
BaseRepresentation
bin11100111001111…
…00110001110000
3121220020202022101
432130330301300
5444033020000
640020550144
76002650423
oct1634746160
9556222271
10242470000
11114960333
1269252354
133b307196
14242b99ba
1516447e6a
hexe73cc70

242470000 has 50 divisors (see below), whose sum is σ = 587068328. Its totient is φ = 96984000.

The previous prime is 242469989. The next prime is 242470013. The reversal of 242470000 is 74242.

It is a tau number, because it is divible by the number of its divisors (50).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 242470000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2124 + ... + 22123.

Almost surely, 2242470000 is an apocalyptic number.

242470000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242470000 is an abundant number, since it is smaller than the sum of its proper divisors (344598328).

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

242470000 is an equidigital number, since it uses as much as digits as its factorization.

242470000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24275 (or 24254 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 242470000 is about 15571.4482306560. The cubic root of 242470000 is about 623.5711358449.

The spelling of 242470000 in words is "two hundred forty-two million, four hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 24247 48494 96988 121235 193976 242470 387952 484940 606175 969880 1212350 1939760 2424700 3030875 4849400 6061750 9698800 12123500 15154375 24247000 30308750 48494000 60617500 121235000 242470000