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83933490 = 2352797783
BaseRepresentation
bin1010000000010…
…11100100110010
312211221021002210
411000023210302
5132441332430
612154552550
72036265024
oct500134462
9184837083
1083933490
1143418523
1224138756
13145098b4
14b20c014
15757e2b0
hex500b932

83933490 has 16 divisors (see below), whose sum is σ = 201440448. Its totient is φ = 22382256.

The previous prime is 83933489. The next prime is 83933533. The reversal of 83933490 is 9433938.

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, 1398862 + ... + 1398921.

It is an arithmetic number, because the mean of its divisors is an integer number (12590028).

Almost surely, 283933490 is an apocalyptic number.

83933490 is an abundant number, since it is smaller than the sum of its proper divisors (117506958).

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

83933490 is a wasteful number, since it uses less digits than its factorization.

83933490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797793.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 83933490 is about 9161.5222534249. The cubic root of 83933490 is about 437.8362954454.

The spelling of 83933490 in words is "eighty-three million, nine hundred thirty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2797783 5595566 8393349 13988915 16786698 27977830 41966745 83933490