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88624397 is a prime number
BaseRepresentation
bin1010100100001…
…00110100001101
320011202120211002
411102010310031
5140141440042
612443310045
72124203111
oct522046415
9204676732
1088624397
1146031904
122581b325
131548ca94
14baad741
157ba9132
hex5484d0d

88624397 has 2 divisors, whose sum is σ = 88624398. Its totient is φ = 88624396.

The previous prime is 88624387. The next prime is 88624423. The reversal of 88624397 is 79342688.

88624397 is nontrivially palindromic in base 3.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 34880836 = 7331^2 + 5906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88624397 is a prime.

It is a super-2 number, since 2×886243972 = 15708567487227218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88624337) 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 as a sum of consecutive naturals, namely, 44312198 + 44312199.

It is an arithmetic number, because the mean of its divisors is an integer number (44312199).

Almost surely, 288624397 is an apocalyptic number.

It is an amenable number.

88624397 is a deficient number, since it is larger than the sum of its proper divisors (1).

88624397 is an equidigital number, since it uses as much as digits as its factorization.

88624397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 88624397 is about 9414.0531653481. The cubic root of 88624397 is about 445.8455446583.

The spelling of 88624397 in words is "eighty-eight million, six hundred twenty-four thousand, three hundred ninety-seven".