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74884842 = 2324160269
BaseRepresentation
bin1000111011010…
…10011011101010
312012220112200200
410131222123222
5123132303332
611233013030
71566340104
oct435523352
9165815620
1074884842
11392a80aa
12210b4176
131268c076
149d34574
15689317c
hex476a6ea

74884842 has 12 divisors (see below), whose sum is σ = 162250530. Its totient is φ = 24961608.

The previous prime is 74884807. The next prime is 74884877. The reversal of 74884842 is 24848847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74884807) and next prime (74884877).

It can be written as a sum of positive squares in only one way, i.e., 42497361 + 32387481 = 6519^2 + 5691^2 .

It is a super-2 number, since 2×748848422 = 11215479122729928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2080117 + ... + 2080152.

Almost surely, 274884842 is an apocalyptic number.

74884842 is an abundant number, since it is smaller than the sum of its proper divisors (87365688).

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

74884842 is a wasteful number, since it uses less digits than its factorization.

74884842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160277 (or 4160274 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 74884842 is about 8653.6028335024. The cubic root of 74884842 is about 421.5003820448.

The spelling of 74884842 in words is "seventy-four million, eight hundred eighty-four thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 4160269 8320538 12480807 24961614 37442421 74884842