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100500055 = 5148913499
BaseRepresentation
bin1011111110110…
…00001001010111
321000002221011021
411333120021113
5201212000210
613550022011
72330144035
oct577301127
9230087137
10100500055
11518031a7
12297a7907
1317a8a2b6
14d4c1555
158c52bda
hex5fd8257

100500055 has 8 divisors (see below), whose sum is σ = 120690000. Its totient is φ = 80340096.

The previous prime is 100500019. The next prime is 100500121. The reversal of 100500055 is 550005001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100500055 - 29 = 100499543 is a prime.

It is a super-2 number, since 2×1005000552 = 20200522110006050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 14194.

It is an arithmetic number, because the mean of its divisors is an integer number (15086250).

Almost surely, 2100500055 is an apocalyptic number.

100500055 is a deficient number, since it is larger than the sum of its proper divisors (20189945).

100500055 is a wasteful number, since it uses less digits than its factorization.

100500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 100500055 is about 10024.9715710320. The cubic root of 100500055 is about 464.9312805529.

Adding to 100500055 its reverse (550005001), we get a palindrome (650505056).

The spelling of 100500055 in words is "one hundred million, five hundred thousand, fifty-five".

Divisors: 1 5 1489 7445 13499 67495 20100011 100500055