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145105826 = 2471738923
BaseRepresentation
bin10001010011000…
…10001110100010
3101010001010202212
420221202032202
5244121341301
622222042122
73411244025
oct1051421642
9333033685
10145105826
11749aa178
1240719342
13240a7348
14153b31bc
15cb144bb
hex8a623a2

145105826 has 16 divisors (see below), whose sum is σ = 223599744. Its totient is φ = 70590864.

The previous prime is 145105819. The next prime is 145105841. The reversal of 145105826 is 628501541.

It is a junction number, because it is equal to n+sod(n) for n = 145105792 and 145105801.

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 7 ways as a sum of consecutive naturals, for example, 11801 + ... + 20723.

It is an arithmetic number, because the mean of its divisors is an integer number (13974984).

Almost surely, 2145105826 is an apocalyptic number.

145105826 is a deficient number, since it is larger than the sum of its proper divisors (78493918).

145105826 is a wasteful number, since it uses less digits than its factorization.

145105826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 145105826 is about 12045.9879628032. The cubic root of 145105826 is about 525.4865644885.

The spelling of 145105826 in words is "one hundred forty-five million, one hundred five thousand, eight hundred twenty-six".

Divisors: 1 2 47 94 173 346 8131 8923 16262 17846 419381 838762 1543679 3087358 72552913 145105826