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242744744 = 231110925307
BaseRepresentation
bin11100111011111…
…11110110101000
3121220202201012002
432131333312220
5444120312434
640030510132
76005203424
oct1635776650
9556681162
10242744744
111150287a0
1269365348
133b3a2258
142434bb84
151649e57e
hexe77fda8

242744744 has 32 divisors (see below), whose sum is σ = 501098400. Its totient is φ = 109321920.

The previous prime is 242744743. The next prime is 242744767. The reversal of 242744744 is 447447242.

It is a junction number, because it is equal to n+sod(n) for n = 242744698 and 242744707.

It is not an unprimeable number, because it can be changed into a prime (242744743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062 + ... + 22245.

It is an arithmetic number, because the mean of its divisors is an integer number (15659325).

Almost surely, 2242744744 is an apocalyptic number.

It is an amenable number.

242744744 is an abundant number, since it is smaller than the sum of its proper divisors (258353656).

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

242744744 is a wasteful number, since it uses less digits than its factorization.

242744744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25433 (or 25429 counting only the distinct ones).

The product of its digits is 200704, while the sum is 38.

The square root of 242744744 is about 15580.2677769029. The cubic root of 242744744 is about 623.8065708267.

The spelling of 242744744 in words is "two hundred forty-two million, seven hundred forty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 2398 4796 9592 25307 50614 101228 202456 278377 556754 1113508 2227016 2758463 5516926 11033852 22067704 30343093 60686186 121372372 242744744