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5121432 = 233283857
BaseRepresentation
bin10011100010010110011000
3100122012021200
4103202112120
52302341212
6301434200
761350201
oct23422630
910565250
105121432
112988898
12186b960
1310a4144
149745a8
156b26dc
hex4e2598

5121432 has 48 divisors (see below), whose sum is σ = 14054040. Its totient is φ = 1684608.

The previous prime is 5121421. The next prime is 5121439. The reversal of 5121432 is 2341215.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121439) 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, 5548 + ... + 6404.

Almost surely, 25121432 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 5121432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7027020).

5121432 is an abundant number, since it is smaller than the sum of its proper divisors (8932608).

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

5121432 is a wasteful number, since it uses less digits than its factorization.

5121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 945 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5121432 is about 2263.0581079592. The cubic root of 5121432 is about 172.3708421968.

Adding to 5121432 its reverse (2341215), we get a palindrome (7462647).

The spelling of 5121432 in words is "five million, one hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 83 166 249 332 498 664 747 857 996 1494 1714 1992 2571 2988 3428 5142 5976 6856 7713 10284 15426 20568 30852 61704 71131 142262 213393 284524 426786 569048 640179 853572 1280358 1707144 2560716 5121432