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83730452 = 22132775813
BaseRepresentation
bin1001111110110…
…10000000010100
312211112221120212
410333122000110
5132413333302
612150344552
72034461051
oct477320024
9184487525
1083730452
1143299a23
122405b158
1314468360
14b198028
15753e052
hex4fda014

83730452 has 24 divisors (see below), whose sum is σ = 158396616. Its totient is φ = 38498688.

The previous prime is 83730433. The next prime is 83730461. The reversal of 83730452 is 25403738.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1175056 + 82555396 = 1084^2 + 9086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11498 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (6599859).

Almost surely, 283730452 is an apocalyptic number.

It is an amenable number.

83730452 is a deficient number, since it is larger than the sum of its proper divisors (74666164).

83730452 is a wasteful number, since it uses less digits than its factorization.

83730452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6105 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 83730452 is about 9150.4345252015. The cubic root of 83730452 is about 437.4829633638.

The spelling of 83730452 in words is "eighty-three million, seven hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 52 277 554 1108 3601 5813 7202 11626 14404 23252 75569 151138 302276 1610201 3220402 6440804 20932613 41865226 83730452