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242620784 = 2472698053
BaseRepresentation
bin11100111011000…
…01100101110000
3121220112102010222
432131201211300
5444102331114
640024112212
76004146140
oct1635414560
9556472128
10242620784
11114a5364a
1269305668
133b35a9c3
1424318920
151647798e
hexe761970

242620784 has 40 divisors (see below), whose sum is σ = 539295840. Its totient is φ = 103580928.

The previous prime is 242620769. The next prime is 242620789. The reversal of 242620784 is 487026242.

It is a happy number.

242620784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242620789) 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, 26102 + ... + 34154.

It is an arithmetic number, because the mean of its divisors is an integer number (13482396).

Almost surely, 2242620784 is an apocalyptic number.

It is an amenable number.

242620784 is an abundant number, since it is smaller than the sum of its proper divisors (296675056).

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

242620784 is a wasteful number, since it uses less digits than its factorization.

242620784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337 (or 8331 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 242620784 is about 15576.2891601305. The cubic root of 242620784 is about 623.7003684189.

The spelling of 242620784 in words is "two hundred forty-two million, six hundred twenty thousand, seven hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 269 538 1076 1883 2152 3766 4304 7532 8053 15064 16106 30128 32212 56371 64424 112742 128848 225484 450968 901936 2166257 4332514 8665028 15163799 17330056 30327598 34660112 60655196 121310392 242620784