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88417121 = 1361111497
BaseRepresentation
bin1010100010100…
…10001101100001
320011101001111012
411101102031201
5140113321441
612435030305
72122350602
oct521221541
9204331435
1088417121
1145a00101
122573b395
1315419630
14ba57da9
157b679eb
hex5452361

88417121 has 8 divisors (see below), whose sum is σ = 96780264. Its totient is φ = 80277120.

The previous prime is 88417111. The next prime is 88417171. The reversal of 88417121 is 12171488.

It can be written as a sum of positive squares in 4 ways, for example, as 2131600 + 86285521 = 1460^2 + 9289^2 .

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 88417121 - 26 = 88417057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88417111) 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 7 ways as a sum of consecutive naturals, for example, 54956 + ... + 56541.

It is an arithmetic number, because the mean of its divisors is an integer number (12097533).

Almost surely, 288417121 is an apocalyptic number.

It is an amenable number.

88417121 is a deficient number, since it is larger than the sum of its proper divisors (8363143).

88417121 is a wasteful number, since it uses less digits than its factorization.

88417121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111571.

The product of its digits is 3584, while the sum is 32.

The square root of 88417121 is about 9403.0378601811. The cubic root of 88417121 is about 445.4976900280.

The spelling of 88417121 in words is "eighty-eight million, four hundred seventeen thousand, one hundred twenty-one".

Divisors: 1 13 61 793 111497 1449461 6801317 88417121