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88820497 = 1916072909
BaseRepresentation
bin1010100101101…
…00101100010001
320012010112211001
411102310230101
5140214223442
612451422001
72125650613
oct522645421
9205115731
1088820497
1146156177
12258b4901
131552b10c
14bb20db3
157be72b7
hex54b4b11

88820497 has 8 divisors (see below), whose sum is σ = 93585600. Its totient is φ = 84064464.

The previous prime is 88820483. The next prime is 88820507. The reversal of 88820497 is 79402888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88820497 - 219 = 88296209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88824497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29079 + ... + 31987.

It is an arithmetic number, because the mean of its divisors is an integer number (11698200).

Almost surely, 288820497 is an apocalyptic number.

It is an amenable number.

88820497 is a deficient number, since it is larger than the sum of its proper divisors (4765103).

88820497 is a wasteful number, since it uses less digits than its factorization.

88820497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 88820497 is about 9424.4626902545. The cubic root of 88820497 is about 446.1741445603.

The spelling of 88820497 in words is "eighty-eight million, eight hundred twenty thousand, four hundred ninety-seven".

Divisors: 1 19 1607 2909 30533 55271 4674763 88820497