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100814137 = 971039321
BaseRepresentation
bin1100000001001…
…00110100111001
321000200212222221
412000210310321
5201302023022
614000444041
72332622524
oct600446471
9230625887
10100814137
11519a8176
1229919621
1317b6a248
14d563bbb
158cb5cc7
hex6024d39

100814137 has 4 divisors (see below), whose sum is σ = 101853556. Its totient is φ = 99774720.

The previous prime is 100814111. The next prime is 100814143. The reversal of 100814137 is 731418001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 83375161 = 4176^2 + 9131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100814137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100814167) 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 3 ways as a sum of consecutive naturals, for example, 519564 + ... + 519757.

It is an arithmetic number, because the mean of its divisors is an integer number (25463389).

Almost surely, 2100814137 is an apocalyptic number.

It is an amenable number.

100814137 is a deficient number, since it is larger than the sum of its proper divisors (1039419).

100814137 is an equidigital number, since it uses as much as digits as its factorization.

100814137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039418.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 100814137 is about 10040.6243331777. The cubic root of 100814137 is about 465.4151101046.

The spelling of 100814137 in words is "one hundred million, eight hundred fourteen thousand, one hundred thirty-seven".

Divisors: 1 97 1039321 100814137