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188948701 is a prime number
BaseRepresentation
bin10110100001100…
…10000011011101
3111011112120220001
423100302003131
5341332324301
630425454301
74453015564
oct1320620335
9434476801
10188948701
1197724a57
1253341391
13301b8086
141b146bdb
15118c4c01
hexb4320dd

188948701 has 2 divisors, whose sum is σ = 188948702. Its totient is φ = 188948700.

The previous prime is 188948681. The next prime is 188948707. The reversal of 188948701 is 107849881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 31069476 = 12565^2 + 5574^2 .

It is a cyclic number.

It is not a de Polignac number, because 188948701 - 213 = 188940509 is a prime.

It is a super-2 number, since 2×1889487012 = 71403223219174802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188948707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94474350 + 94474351.

It is an arithmetic number, because the mean of its divisors is an integer number (94474351).

Almost surely, 2188948701 is an apocalyptic number.

It is an amenable number.

188948701 is a deficient number, since it is larger than the sum of its proper divisors (1).

188948701 is an equidigital number, since it uses as much as digits as its factorization.

188948701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 46.

The square root of 188948701 is about 13745.8612316581. The cubic root of 188948701 is about 573.8274287278.

The spelling of 188948701 in words is "one hundred eighty-eight million, nine hundred forty-eight thousand, seven hundred one".