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88196393 = 471876519
BaseRepresentation
bin1010100000111…
…00010100101001
320010221211201002
411100130110221
5140034241033
612430204345
72120441225
oct520342451
9203854632
1088196393
114586a28a
12256536b5
131537001c
14b9db785
157b223e8
hex541c529

88196393 has 4 divisors (see below), whose sum is σ = 90072960. Its totient is φ = 86319828.

The previous prime is 88196359. The next prime is 88196447. The reversal of 88196393 is 39369188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88196393 - 210 = 88195369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1876519 = 88196393 / (8 + 8 + 1 + 9 + 6 + 3 + 9 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88196093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938213 + ... + 938306.

It is an arithmetic number, because the mean of its divisors is an integer number (22518240).

Almost surely, 288196393 is an apocalyptic number.

It is an amenable number.

88196393 is a deficient number, since it is larger than the sum of its proper divisors (1876567).

88196393 is a wasteful number, since it uses less digits than its factorization.

88196393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876566.

The product of its digits is 279936, while the sum is 47.

The square root of 88196393 is about 9391.2934678882. The cubic root of 88196393 is about 445.1266617520.

The spelling of 88196393 in words is "eighty-eight million, one hundred ninety-six thousand, three hundred ninety-three".

Divisors: 1 47 1876519 88196393