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144435434 = 211131761487
BaseRepresentation
bin10001001101111…
…10100011101010
3101001210002011112
420212332203222
5243433413214
622155430322
73402452363
oct1046764352
9331702145
10144435434
1174591530
12404553a2
1323c01170
141527ab6a
15ca30a3e
hex89be8ea

144435434 has 64 divisors (see below), whose sum is σ = 274482432. Its totient is φ = 55987200.

The previous prime is 144435433. The next prime is 144435437. The reversal of 144435434 is 434534441.

It is a self number, because there is not a number n which added to its sum of digits gives 144435434.

It is not an unprimeable number, because it can be changed into a prime (144435433) 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, 296339 + ... + 296825.

It is an arithmetic number, because the mean of its divisors is an integer number (4288788).

Almost surely, 2144435434 is an apocalyptic number.

144435434 is a deficient number, since it is larger than the sum of its proper divisors (130046998).

144435434 is a wasteful number, since it uses less digits than its factorization.

144435434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 46080, while the sum is 32.

The square root of 144435434 is about 12018.1293885529. The cubic root of 144435434 is about 524.6760619925.

Adding to 144435434 its reverse (434534441), we get a palindrome (578969875).

The spelling of 144435434 in words is "one hundred forty-four million, four hundred thirty-five thousand, four hundred thirty-four".

Divisors: 1 2 11 13 17 22 26 34 61 122 143 187 221 286 374 442 487 671 793 974 1037 1342 1586 2074 2431 4862 5357 6331 8279 8723 10714 11407 12662 13481 16558 17446 22814 26962 29707 59414 69641 91069 107627 139282 148291 182138 215254 296582 326777 386191 505019 653554 772382 1010038 1183897 2367794 4248101 5555209 6565247 8496202 11110418 13130494 72217717 144435434