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105245078 = 252622539
BaseRepresentation
bin1100100010111…
…10100110010110
321100001000002212
412101132212112
5203420320303
614235433422
72415365651
oct621364626
9240030085
10105245078
1154454204
122b2b5872
1318a5bcc3
14dd98898
15938dad8
hex645e996

105245078 has 4 divisors (see below), whose sum is σ = 157867620. Its totient is φ = 52622538.

The previous prime is 105245071. The next prime is 105245111. The reversal of 105245078 is 870542501.

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

It is a super-2 number, since 2×1052450782 = 22153052886452168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105245071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26311268 + ... + 26311271.

It is an arithmetic number, because the mean of its divisors is an integer number (39466905).

Almost surely, 2105245078 is an apocalyptic number.

105245078 is a deficient number, since it is larger than the sum of its proper divisors (52622542).

105245078 is an equidigital number, since it uses as much as digits as its factorization.

105245078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52622541.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 105245078 is about 10258.9023779350. The cubic root of 105245078 is about 472.1361614014.

Adding to 105245078 its reverse (870542501), we get a palindrome (975787579).

The spelling of 105245078 in words is "one hundred five million, two hundred forty-five thousand, seventy-eight".

Divisors: 1 2 52622539 105245078