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144652434 = 23191268881
BaseRepresentation
bin10001001111100…
…11100010010010
3101002012002211120
420213303202102
5244012334214
622204223110
73404345133
oct1047634222
9332162746
10144652434
117471a573
124053aa96
1323c78b74
14152d5c8a
15ca74ea9
hex89f3892

144652434 has 16 divisors (see below), whose sum is σ = 304531680. Its totient is φ = 45679680.

The previous prime is 144652433. The next prime is 144652457. The reversal of 144652434 is 434256441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144652395 and 144652404.

It is not an unprimeable number, because it can be changed into a prime (144652433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 634327 + ... + 634554.

It is an arithmetic number, because the mean of its divisors is an integer number (19033230).

Almost surely, 2144652434 is an apocalyptic number.

144652434 is an abundant number, since it is smaller than the sum of its proper divisors (159879246).

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

144652434 is a wasteful number, since it uses less digits than its factorization.

144652434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268905.

The product of its digits is 46080, while the sum is 33.

The square root of 144652434 is about 12027.1540274497. The cubic root of 144652434 is about 524.9386885317.

The spelling of 144652434 in words is "one hundred forty-four million, six hundred fifty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 1268881 2537762 3806643 7613286 24108739 48217478 72326217 144652434