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52371312 = 2437791973
BaseRepresentation
bin1100011111000…
…1111101110000
310122112201221020
43013301331300
5101401340222
65110255440
71204102020
oct307617560
9118481836
1052371312
1127620384
1215657580
13ab08856
146d53a80
1548e765c
hex31f1f70

52371312 has 80 divisors (see below), whose sum is σ = 156656640. Its totient is φ = 14766336.

The previous prime is 52371281. The next prime is 52371313. The reversal of 52371312 is 21317325.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52371313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25558 + ... + 27530.

It is an arithmetic number, because the mean of its divisors is an integer number (1958208).

Almost surely, 252371312 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 52371312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78328320).

52371312 is an abundant number, since it is smaller than the sum of its proper divisors (104285328).

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

52371312 is a wasteful number, since it uses less digits than its factorization.

52371312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2064 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 52371312 is about 7236.8026088874. The cubic root of 52371312 is about 374.1374236422.

Adding to 52371312 its reverse (21317325), we get a palindrome (73688637).

The spelling of 52371312 in words is "fifty-two million, three hundred seventy-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 79 84 112 158 168 237 316 336 474 553 632 948 1106 1264 1659 1896 1973 2212 3318 3792 3946 4424 5919 6636 7892 8848 11838 13272 13811 15784 23676 26544 27622 31568 41433 47352 55244 82866 94704 110488 155867 165732 220976 311734 331464 467601 623468 662928 935202 1091069 1246936 1870404 2182138 2493872 3273207 3740808 4364276 6546414 7481616 8728552 13092828 17457104 26185656 52371312