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88001331 = 3111928389
BaseRepresentation
bin1010011111011…
…00101100110011
320010120221010120
411033230230303
5140012020311
612422101323
72115666435
oct517545463
9203527116
1088001331
1145746780
122557a843
13153022c2
14b98a655
157ad4706
hex53ecb33

88001331 has 48 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 49357440.

The previous prime is 88001327. The next prime is 88001357. The reversal of 88001331 is 13310088.

It is not a de Polignac number, because 88001331 - 22 = 88001327 is a prime.

It is a super-2 number, since 2×880013312 = 15488468515543122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88001371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 988735 + ... + 988823.

It is an arithmetic number, because the mean of its divisors is an integer number (2880360).

Almost surely, 288001331 is an apocalyptic number.

88001331 is a deficient number, since it is larger than the sum of its proper divisors (50255949).

88001331 is a wasteful number, since it uses less digits than its factorization.

88001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 88001331 is about 9380.9024619170. The cubic root of 88001331 is about 444.7982606158.

The spelling of 88001331 in words is "eighty-eight million, one thousand, three hundred thirty-one".

Divisors: 1 3 11 19 33 57 83 89 209 249 267 361 627 913 979 1083 1577 1691 2739 2937 3971 4731 5073 7387 11913 17347 18601 22161 29963 32129 52041 55803 81257 89889 96387 140353 243771 329593 353419 421059 988779 1060257 1543883 2666707 4631649 8000121 29333777 88001331