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5121732 = 22371123241
BaseRepresentation
bin10011100010011011000100
3100122012200210
4103202123010
52302343412
6301435420
761351110
oct23423304
910565623
105121732
112989040
12186bb70
1310a4315
14974740
156b283c
hex4e26c4

5121732 has 96 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 1267200.

The previous prime is 5121713. The next prime is 5121737. The reversal of 5121732 is 2371215.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5121699 and 5121708.

It is not an unprimeable number, because it can be changed into a prime (5121737) 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, 21132 + ... + 21372.

It is an arithmetic number, because the mean of its divisors is an integer number (162624).

Almost surely, 25121732 is an apocalyptic number.

5121732 is the 1848-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7805952).

5121732 is an abundant number, since it is smaller than the sum of its proper divisors (10490172).

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

5121732 is a wasteful number, since it uses less digits than its factorization.

5121732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 5121732 is about 2263.1243889809. The cubic root of 5121732 is about 172.3742078078.

Adding to 5121732 its reverse (2371215), we get a palindrome (7492947).

The spelling of 5121732 in words is "five million, one hundred twenty-one thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 23 28 33 42 44 46 66 69 77 84 92 132 138 154 161 231 241 253 276 308 322 462 482 483 506 644 723 759 924 964 966 1012 1446 1518 1687 1771 1932 2651 2892 3036 3374 3542 5061 5302 5313 5543 6748 7084 7953 10122 10604 10626 11086 15906 16629 18557 20244 21252 22172 31812 33258 37114 38801 55671 60973 66516 74228 77602 111342 116403 121946 155204 182919 222684 232806 243892 365838 426811 465612 731676 853622 1280433 1707244 2560866 5121732