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88398493 = 471880819
BaseRepresentation
bin1010100010011…
…01101010011101
320011100002221021
411101031222131
5140112222433
612434404141
72122242361
oct521155235
9204302837
1088398493
1145998107
1225730651
1315411001
14ba512a1
157b6222d
hex544da9d

88398493 has 4 divisors (see below), whose sum is σ = 90279360. Its totient is φ = 86517628.

The previous prime is 88398473. The next prime is 88398503. The reversal of 88398493 is 39489388.

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 a de Polignac number, because none of the positive numbers 2k-88398493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88398493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88398413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940363 + ... + 940456.

It is an arithmetic number, because the mean of its divisors is an integer number (22569840).

Almost surely, 288398493 is an apocalyptic number.

It is an amenable number.

88398493 is a deficient number, since it is larger than the sum of its proper divisors (1880867).

88398493 is a wasteful number, since it uses less digits than its factorization.

88398493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880866.

The product of its digits is 1492992, while the sum is 52.

The square root of 88398493 is about 9402.0472770562. The cubic root of 88398493 is about 445.4664015410.

The spelling of 88398493 in words is "eighty-eight million, three hundred ninety-eight thousand, four hundred ninety-three".

Divisors: 1 47 1880819 88398493