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4990752 = 2532133143
BaseRepresentation
bin10011000010011100100000
3100101120000200
4103002130200
52234201002
6254545200
760264204
oct23023440
910346020
104990752
1128a9698
121808200
131059810
1493cb04
15688b1c
hex4c2720

4990752 has 144 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 1451520.

The previous prime is 4990723. The next prime is 4990753. The reversal of 4990752 is 2570994.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4990753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116043 + ... + 116085.

It is an arithmetic number, because the mean of its divisors is an integer number (112112).

Almost surely, 24990752 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 4990752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072064).

4990752 is an abundant number, since it is smaller than the sum of its proper divisors (11153376).

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

4990752 is a wasteful number, since it uses less digits than its factorization.

4990752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 4990752 is about 2233.9991047447. Note that the first 3 decimals coincide. The cubic root of 4990752 is about 170.8921038853.

The spelling of 4990752 in words is "four million, nine hundred ninety thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 43 48 52 62 72 78 86 93 96 104 117 124 129 144 156 172 186 208 234 248 258 279 288 312 344 372 387 403 416 468 496 516 558 559 624 688 744 774 806 936 992 1032 1116 1118 1209 1248 1333 1376 1488 1548 1612 1677 1872 2064 2232 2236 2418 2666 2976 3096 3224 3354 3627 3744 3999 4128 4464 4472 4836 5031 5332 6192 6448 6708 7254 7998 8928 8944 9672 10062 10664 11997 12384 12896 13416 14508 15996 17329 17888 19344 20124 21328 23994 26832 29016 31992 34658 38688 40248 42656 47988 51987 53664 58032 63984 69316 80496 95976 103974 116064 127968 138632 155961 160992 191952 207948 277264 311922 383904 415896 554528 623844 831792 1247688 1663584 2495376 4990752