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144338936 = 2372719511
BaseRepresentation
bin10001001101001…
…10111111111000
3101001121011210112
420212212333320
5243422321221
622153403452
73401601140
oct1046467770
9331534715
10144338936
1174525a85
1240409588
1323b99271
1415253920
15ca1215b
hex89a6ff8

144338936 has 32 divisors (see below), whose sum is σ = 310471680. Its totient is φ = 61624800.

The previous prime is 144338921. The next prime is 144338941. The reversal of 144338936 is 639833441.

It is a super-2 number, since 2×1443389362 = 41667456891224192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144338893 and 144338902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10421 + ... + 19931.

It is an arithmetic number, because the mean of its divisors is an integer number (9702240).

Almost surely, 2144338936 is an apocalyptic number.

It is an amenable number.

144338936 is an abundant number, since it is smaller than the sum of its proper divisors (166132744).

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

144338936 is a wasteful number, since it uses less digits than its factorization.

144338936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9795 (or 9791 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 144338936 is about 12014.1140330863. The cubic root of 144338936 is about 524.5591897707.

The spelling of 144338936 in words is "one hundred forty-four million, three hundred thirty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 271 542 1084 1897 2168 3794 7588 9511 15176 19022 38044 66577 76088 133154 266308 532616 2577481 5154962 10309924 18042367 20619848 36084734 72169468 144338936