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75001332 = 22371814933
BaseRepresentation
bin1000111100001…
…10110111110100
312020010110111010
410132012313310
5123200020312
611235312220
71600333530
oct436066764
9166113433
1075001332
113937767a
122114b670
13127000b3
149d64bc0
1568b793c
hex4786df4

75001332 has 48 divisors (see below), whose sum is σ = 201149312. Its totient is φ = 21306240.

The previous prime is 75001313. The next prime is 75001343. The reversal of 75001332 is 23310057.

It is a happy number.

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 = 75001299 and 75001308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12738 + ... + 17670.

Almost surely, 275001332 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 75001332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100574656).

75001332 is an abundant number, since it is smaller than the sum of its proper divisors (126147980).

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

75001332 is a wasteful number, since it uses less digits than its factorization.

75001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 75001332 is about 8660.3309405588. The cubic root of 75001332 is about 421.7188291968.

Adding to 75001332 its reverse (23310057), we get a palindrome (98311389).

The spelling of 75001332 in words is "seventy-five million, one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 181 362 543 724 1086 1267 2172 2534 3801 4933 5068 7602 9866 14799 15204 19732 29598 34531 59196 69062 103593 138124 207186 414372 892873 1785746 2678619 3571492 5357238 6250111 10714476 12500222 18750333 25000444 37500666 75001332