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4990944 = 253721061
BaseRepresentation
bin10011000010011111100000
3100101120021210
4103002133200
52234202234
6254550120
760264600
oct23023740
910346253
104990944
1128a9852
121808340
13105992a
1493cc00
15688be9
hex4c27e0

4990944 has 72 divisors (see below), whose sum is σ = 15254568. Its totient is φ = 1424640.

The previous prime is 4990933. The next prime is 4990949. The reversal of 4990944 is 4490994.

It is a happy number.

It is a super-2 number, since 2×49909442 = 49819044022272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990949) 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, 4174 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (211869).

Almost surely, 24990944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627284).

4990944 is an abundant number, since it is smaller than the sum of its proper divisors (10263624).

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

4990944 is a wasteful number, since it uses less digits than its factorization.

4990944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1073 counting only the distinct ones).

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

The square root of 4990944 is about 2234.0420765957. The cubic root of 4990944 is about 170.8942953295.

The spelling of 4990944 in words is "four million, nine hundred ninety thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1061 1176 1568 2122 2352 3183 4244 4704 6366 7427 8488 12732 14854 16976 22281 25464 29708 33952 44562 50928 51989 59416 89124 101856 103978 118832 155967 178248 207956 237664 311934 356496 415912 623868 712992 831824 1247736 1663648 2495472 4990944