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105455450 = 2522109109
BaseRepresentation
bin1100100100100…
…01111101011010
321100102200200102
412102101331122
5203444033300
614244135402
72420233202
oct622217532
9240380612
10105455450
1154588271
122b397562
1318b03999
1410011402
1593d10d5
hex6491f5a

105455450 has 12 divisors (see below), whose sum is σ = 196147230. Its totient is φ = 42182160.

The previous prime is 105455443. The next prime is 105455461. The reversal of 105455450 is 54554501.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 93296281 + 12159169 = 9659^2 + 3487^2 .

It is a super-3 number, since 3×1054554503 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054505 + ... + 1054604.

Almost surely, 2105455450 is an apocalyptic number.

105455450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105455450 is a deficient number, since it is larger than the sum of its proper divisors (90691780).

105455450 is a wasteful number, since it uses less digits than its factorization.

105455450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109121 (or 2109116 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 105455450 is about 10269.1504030275. The cubic root of 105455450 is about 472.4505327869.

The spelling of 105455450 in words is "one hundred five million, four hundred fifty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2109109 4218218 10545545 21091090 52727725 105455450