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105434398 = 2421125219
BaseRepresentation
bin1100100100011…
…00110100011110
321100101121210201
412102030310132
5203442400043
614243454114
72420114626
oct622146436
9240347721
10105434398
1154573473
122b38733a
1318ac7224
1410007886
1593c9c4d
hex648cd1e

105434398 has 8 divisors (see below), whose sum is σ = 158528520. Its totient is φ = 52591560.

The previous prime is 105434387. The next prime is 105434429. The reversal of 105434398 is 893434501.

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

It is a super-2 number, since 2×1054343982 = 22232824563244808, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 61768 + ... + 63451.

It is an arithmetic number, because the mean of its divisors is an integer number (19816065).

Almost surely, 2105434398 is an apocalyptic number.

105434398 is a deficient number, since it is larger than the sum of its proper divisors (53094122).

105434398 is a wasteful number, since it uses less digits than its factorization.

105434398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125642.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 105434398 is about 10268.1253400998. The cubic root of 105434398 is about 472.4190923681.

Adding to 105434398 its reverse (893434501), we get a palindrome (998868899).

It can be divided in two parts, 10543 and 4398, that added together give a palindrome (14941).

The spelling of 105434398 in words is "one hundred five million, four hundred thirty-four thousand, three hundred ninety-eight".

Divisors: 1 2 421 842 125219 250438 52717199 105434398