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88550491 = 471884053
BaseRepresentation
bin1010100011100…
…10110001011011
320011121211102211
411101302301123
5140132103431
612441535551
72123444461
oct521626133
9204554384
1088550491
1145a91327
12257a45b7
1315465253
14ba90831
157b922b1
hex5472c5b

88550491 has 4 divisors (see below), whose sum is σ = 90434592. Its totient is φ = 86666392.

The previous prime is 88550479. The next prime is 88550503. The reversal of 88550491 is 19405588.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (88550479) and next prime (88550503).

It is a cyclic number.

It is not a de Polignac number, because 88550491 - 223 = 80161883 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88550411) 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, 941980 + ... + 942073.

It is an arithmetic number, because the mean of its divisors is an integer number (22608648).

Almost surely, 288550491 is an apocalyptic number.

88550491 is a deficient number, since it is larger than the sum of its proper divisors (1884101).

88550491 is a wasteful number, since it uses less digits than its factorization.

88550491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884100.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 88550491 is about 9410.1270448384. The cubic root of 88550491 is about 445.7215764448.

The spelling of 88550491 in words is "eighty-eight million, five hundred fifty thousand, four hundred ninety-one".

Divisors: 1 47 1884053 88550491