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105020954 = 252510477
BaseRepresentation
bin1100100001001…
…11111000011010
321022121121122222
412100213320122
5203341132304
614230544042
72413443353
oct620477032
9238547588
10105020954
1154310885
122b208022
13189b0c9c
14dd3ad2a
1593474be
hex6427e1a

105020954 has 4 divisors (see below), whose sum is σ = 157531434. Its totient is φ = 52510476.

The previous prime is 105020947. The next prime is 105021001. The reversal of 105020954 is 459020501.

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

It can be written as a sum of positive squares in only one way, i.e., 104509729 + 511225 = 10223^2 + 715^2 .

It is a super-2 number, since 2×1050209542 = 22058801558140232, which contains 22 as substring.

It is an unprimeable number.

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, 26255237 + ... + 26255240.

Almost surely, 2105020954 is an apocalyptic number.

105020954 is a deficient number, since it is larger than the sum of its proper divisors (52510480).

105020954 is an equidigital number, since it uses as much as digits as its factorization.

105020954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52510479.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 105020954 is about 10247.9731654606. The cubic root of 105020954 is about 471.8007783442.

The spelling of 105020954 in words is "one hundred five million, twenty thousand, nine hundred fifty-four".

Divisors: 1 2 52510477 105020954