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4949490 = 235731337
BaseRepresentation
bin10010111000010111110010
3100022110102110
4102320113302
52231340430
6254030150
760033000
oct22702762
910273373
104949490
112880697
1217a8356
131043ac0
1492ba70
1567b7b0
hex4b85f2

4949490 has 128 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 1016064.

The previous prime is 4949489. The next prime is 4949501. The reversal of 4949490 is 949494.

It is a happy number.

4949490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133752 + ... + 133788.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

Almost surely, 24949490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4949490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660800).

4949490 is an abundant number, since it is smaller than the sum of its proper divisors (10372110).

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

4949490 is a wasteful number, since it uses less digits than its factorization.

4949490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4949490 is about 2224.7449291997. The cubic root of 4949490 is about 170.4198388813.

The spelling of 4949490 in words is "four million, nine hundred forty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 37 39 42 49 65 70 74 78 91 98 105 111 130 147 182 185 195 210 222 245 259 273 294 343 370 390 455 481 490 518 546 555 637 686 735 777 910 962 1029 1110 1274 1295 1365 1443 1470 1554 1715 1813 1911 2058 2405 2590 2730 2886 3185 3367 3430 3626 3822 3885 4459 4810 5145 5439 6370 6734 7215 7770 8918 9065 9555 10101 10290 10878 12691 13377 14430 16835 18130 19110 20202 22295 23569 25382 26754 27195 33670 38073 44590 47138 50505 54390 63455 66885 70707 76146 101010 117845 126910 133770 141414 164983 190365 235690 329966 353535 380730 494949 707070 824915 989898 1649830 2474745 4949490