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4989270 = 23511131163
BaseRepresentation
bin10011000010000101010110
3100101110222210
4103002011112
52234124040
6254534250
760256656
oct23020526
910343883
104989270
1128a8570
121807386
131058c40
1493c366
15688480
hex4c2156

4989270 has 64 divisors (see below), whose sum is σ = 14079744. Its totient is φ = 1115520.

The previous prime is 4989221. The next prime is 4989277. The reversal of 4989270 is 729894.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 (4989277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3709 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (219996).

Almost surely, 24989270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4989270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7039872).

4989270 is an abundant number, since it is smaller than the sum of its proper divisors (9090474).

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

4989270 is a wasteful number, since it uses less digits than its factorization.

4989270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4989270 is about 2233.6673879519. The cubic root of 4989270 is about 170.8751867840.

The spelling of 4989270 in words is "four million, nine hundred eighty-nine thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 715 858 1163 1430 2145 2326 3489 4290 5815 6978 11630 12793 15119 17445 25586 30238 34890 38379 45357 63965 75595 76758 90714 127930 151190 166309 191895 226785 332618 383790 453570 498927 831545 997854 1663090 2494635 4989270