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4989078 = 232318941
BaseRepresentation
bin10011000010000010010110
3100101110201200
4103002002112
52234122303
6254533330
760256263
oct23020226
910343650
104989078
1128a8406
121807246
131058b23
1493c26a
156883a3
hex4c2096

4989078 has 24 divisors (see below), whose sum is σ = 11159616. Its totient is φ = 1609200.

The previous prime is 4989067. The next prime is 4989079. The reversal of 4989078 is 8709894.

4989078 is a `hidden beast` number, since 498 + 90 + 78 = 666.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3913 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (464984).

Almost surely, 24989078 is an apocalyptic number.

4989078 is an abundant number, since it is smaller than the sum of its proper divisors (6170538).

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

4989078 is a wasteful number, since it uses less digits than its factorization.

4989078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980 (or 8977 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4989078 is about 2233.6244088924. The cubic root of 4989078 is about 170.8729948497.

The spelling of 4989078 in words is "four million, nine hundred eighty-nine thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 8941 17882 26823 53646 80469 160938 277171 554342 831513 1663026 2494539 4989078