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105142433 = 1117562259
BaseRepresentation
bin1100100010001…
…01100010100001
321022211210022012
412101011202201
5203404024213
614233322305
72414460464
oct621054241
9238753265
10105142433
1154394080
122b266395
1318a24376
14dd6d2db
15936d4a8
hex64458a1

105142433 has 8 divisors (see below), whose sum is σ = 121448160. Its totient is φ = 89961280.

The previous prime is 105142423. The next prime is 105142451. The reversal of 105142433 is 334241501.

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

It is not a de Polignac number, because 105142433 - 24 = 105142417 is a prime.

It is a super-2 number, since 2×1051424332 = 22109862434318978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105142399 and 105142408.

It is not an unprimeable number, because it can be changed into a prime (105142423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280943 + ... + 281316.

It is an arithmetic number, because the mean of its divisors is an integer number (15181020).

Almost surely, 2105142433 is an apocalyptic number.

It is an amenable number.

105142433 is a deficient number, since it is larger than the sum of its proper divisors (16305727).

105142433 is a wasteful number, since it uses less digits than its factorization.

105142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562287.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105142433 is about 10253.8984293780. The cubic root of 105142433 is about 471.9826207931.

Adding to 105142433 its reverse (334241501), we get a palindrome (439383934).

The spelling of 105142433 in words is "one hundred five million, one hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 11 17 187 562259 6184849 9558403 105142433