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144418692 = 223111094081
BaseRepresentation
bin10001001101110…
…10011110000100
3101001202020012110
420212322132010
5243432344232
622155221020
73402352515
oct1046723604
9331666173
10144418692
117457a9a0
1240447770
1323bc6662
1415274a0c
15ca2aacc
hex89ba784

144418692 has 24 divisors (see below), whose sum is σ = 367611552. Its totient is φ = 43763200.

The previous prime is 144418691. The next prime is 144418699. The reversal of 144418692 is 296814441.

It is a self number, because there is not a number n which added to its sum of digits gives 144418692.

It is not an unprimeable number, because it can be changed into a prime (144418691) 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, 546909 + ... + 547172.

It is an arithmetic number, because the mean of its divisors is an integer number (15317148).

Almost surely, 2144418692 is an apocalyptic number.

144418692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144418692 is an abundant number, since it is smaller than the sum of its proper divisors (223192860).

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

144418692 is a wasteful number, since it uses less digits than its factorization.

144418692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094099 (or 1094097 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 144418692 is about 12017.4328373409. The cubic root of 144418692 is about 524.6557888831.

The spelling of 144418692 in words is "one hundred forty-four million, four hundred eighteen thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1094081 2188162 3282243 4376324 6564486 12034891 13128972 24069782 36104673 48139564 72209346 144418692