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144970329 = 3737434339
BaseRepresentation
bin10001010010000…
…01001001011001
3101002210020220110
420221001021121
5244103022304
622215114533
73410141010
oct1051011131
9332706813
10144970329
1174917399
1240672a49
132405a77a
1415379a77
15cad9289
hex8a41259

144970329 has 32 divisors (see below), whose sum is σ = 232207360. Its totient is φ = 78708672.

The previous prime is 144970279. The next prime is 144970349. The reversal of 144970329 is 923079441.

It is not a de Polignac number, because 144970329 - 27 = 144970201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144970349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31242 + ... + 35580.

It is an arithmetic number, because the mean of its divisors is an integer number (7256480).

Almost surely, 2144970329 is an apocalyptic number.

It is an amenable number.

144970329 is a deficient number, since it is larger than the sum of its proper divisors (87237031).

144970329 is a wasteful number, since it uses less digits than its factorization.

144970329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 144970329 is about 12040.3624945431. The cubic root of 144970329 is about 525.3229505046.

The spelling of 144970329 in words is "one hundred forty-four million, nine hundred seventy thousand, three hundred twenty-nine".

Divisors: 1 3 7 21 37 43 111 129 259 301 777 903 1591 4339 4773 11137 13017 30373 33411 91119 160543 186577 481629 559731 1123801 1306039 3371403 3918117 6903349 20710047 48323443 144970329