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105444400 = 2452263611
BaseRepresentation
bin1100100100011…
…11010000110000
321100102010112011
412102033100300
5203443210100
614244012304
72420156035
oct622172060
9240363464
10105444400
115457aa36
122b391094
1318acb949
141000b38c
1593ccbba
hex648f430

105444400 has 30 divisors (see below), whose sum is σ = 253331132. Its totient is φ = 42177600.

The previous prime is 105444373. The next prime is 105444461. The reversal of 105444400 is 4444501.

It is a super-2 number, since 2×1054444002 = 22237042982720000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131406 + ... + 132205.

Almost surely, 2105444400 is an apocalyptic number.

105444400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105444400 is an abundant number, since it is smaller than the sum of its proper divisors (147886732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105444400 is a wasteful number, since it uses less digits than its factorization.

105444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263629 (or 263618 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 105444400 is about 10268.6123697411. The cubic root of 105444400 is about 472.4340305238.

Adding to 105444400 its reverse (4444501), we get a palindrome (109888901).

It can be divided in two parts, 1054 and 44400, that added together give a palindrome (45454).

The spelling of 105444400 in words is "one hundred five million, four hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 263611 527222 1054444 1318055 2108888 2636110 4217776 5272220 6590275 10544440 13180550 21088880 26361100 52722200 105444400