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83272530 = 23511252341
BaseRepresentation
bin1001111011010…
…10001101010010
312210200200102210
410331222031102
5132304210110
612132452550
72030543025
oct475521522
9183620383
1083272530
1143006980
1223a7a156
1314337ab3
14b0b91bc
15749d520
hex4f6a352

83272530 has 32 divisors (see below), whose sum is σ = 218023488. Its totient is φ = 20187200.

The previous prime is 83272529. The next prime is 83272531. The reversal of 83272530 is 3527238.

It is an interprime number because it is at equal distance from previous prime (83272529) and next prime (83272531).

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

It is not an unprimeable number, because it can be changed into a prime (83272531) 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, 125841 + ... + 126500.

It is an arithmetic number, because the mean of its divisors is an integer number (6813234).

Almost surely, 283272530 is an apocalyptic number.

83272530 is an abundant number, since it is smaller than the sum of its proper divisors (134750958).

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

83272530 is a wasteful number, since it uses less digits than its factorization.

83272530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252362.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 83272530 is about 9125.3783483207. The cubic root of 83272530 is about 436.6839733120.

Adding to 83272530 its reverse (3527238), we get a palindrome (86799768).

The spelling of 83272530 in words is "eighty-three million, two hundred seventy-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 252341 504682 757023 1261705 1514046 2523410 2775751 3785115 5551502 7570230 8327253 13878755 16654506 27757510 41636265 83272530