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52176630 = 23511433677
BaseRepresentation
bin1100011100001…
…0011011110110
310122011211212210
43013002123312
5101324123010
65102154250
71202331312
oct307023366
9118154783
1052176630
11274a8090
1215582986
13aa6b05c
146d02b42
1548a9b20
hex31c26f6

52176630 has 64 divisors (see below), whose sum is σ = 139822848. Its totient is φ = 12351360.

The previous prime is 52176613. The next prime is 52176637. The reversal of 52176630 is 3667125.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52176637) 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, 12352 + ... + 16028.

It is an arithmetic number, because the mean of its divisors is an integer number (2184732).

Almost surely, 252176630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52176630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69911424).

52176630 is an abundant number, since it is smaller than the sum of its proper divisors (87646218).

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

52176630 is a wasteful number, since it uses less digits than its factorization.

52176630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52176630 is about 7223.3392554967. The cubic root of 52176630 is about 373.6732492669.

The spelling of 52176630 in words is "fifty-two million, one hundred seventy-six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 43 55 66 86 110 129 165 215 258 330 430 473 645 946 1290 1419 2365 2838 3677 4730 7095 7354 11031 14190 18385 22062 36770 40447 55155 80894 110310 121341 158111 202235 242682 316222 404470 474333 606705 790555 948666 1213410 1581110 1739221 2371665 3478442 4743330 5217663 8696105 10435326 17392210 26088315 52176630