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100020093 = 333340031
BaseRepresentation
bin1011111011000…
…10111101111101
320222012112202220
411331202331331
5201101120333
613531435553
72323104525
oct575427575
9228175686
10100020093
1151505638
12295b5bb9
131794c9b4
14d3d8685
158baa8b3
hex5f62f7d

100020093 has 4 divisors (see below), whose sum is σ = 133360128. Its totient is φ = 66680060.

The previous prime is 100020023. The next prime is 100020103. The reversal of 100020093 is 390020001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100020093 - 28 = 100019837 is a prime.

It is a super-3 number, since 3×1000200933 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16670013 + ... + 16670018.

It is an arithmetic number, because the mean of its divisors is an integer number (33340032).

Almost surely, 2100020093 is an apocalyptic number.

It is an amenable number.

100020093 is a deficient number, since it is larger than the sum of its proper divisors (33340035).

100020093 is an equidigital number, since it uses as much as digits as its factorization.

100020093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33340034.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 100020093 is about 10001.0045995390. The cubic root of 100020093 is about 464.1899690942.

Adding to 100020093 its reverse (390020001), we get a palindrome (490040094).

The spelling of 100020093 in words is "one hundred million, twenty thousand, ninety-three".

Divisors: 1 3 33340031 100020093