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100505054 = 21317227387
BaseRepresentation
bin1011111110110…
…01010111011110
321000010012000102
411333121113132
5201212130204
613550101102
72330164436
oct577312736
9230105012
10100505054
1151806a31
12297aa792
1317a8c660
14d4c32c6
158c5441e
hex5fd95de

100505054 has 16 divisors (see below), whose sum is σ = 171905328. Its totient is φ = 43658112.

The previous prime is 100505047. The next prime is 100505057. The reversal of 100505054 is 450505001.

100505054 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505057) 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 7 ways as a sum of consecutive naturals, for example, 113252 + ... + 114135.

It is an arithmetic number, because the mean of its divisors is an integer number (10744083).

Almost surely, 2100505054 is an apocalyptic number.

100505054 is a deficient number, since it is larger than the sum of its proper divisors (71400274).

100505054 is a wasteful number, since it uses less digits than its factorization.

100505054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227419.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100505054 is about 10025.2208953220. The cubic root of 100505054 is about 464.9389891819.

The spelling of 100505054 in words is "one hundred million, five hundred five thousand, fifty-four".

Divisors: 1 2 13 17 26 34 221 442 227387 454774 2956031 3865579 5912062 7731158 50252527 100505054