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144836040 = 23354328069
BaseRepresentation
bin10001010001000…
…00010111001000
3101002112102200210
420220200113020
5244034223130
622212201120
73406041336
oct1050402710
9332472623
10144836040
1174835508
12406091a0
13240115cb
1415342b56
15caae5b0
hex8a205c8

144836040 has 64 divisors (see below), whose sum is σ = 444628800. Its totient is φ = 37723392.

The previous prime is 144836017. The next prime is 144836051. The reversal of 144836040 is 40638441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 144835989 and 144836007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8875 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (6947325).

Almost surely, 2144836040 is an apocalyptic number.

144836040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144836040 is an abundant number, since it is smaller than the sum of its proper divisors (299792760).

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

144836040 is a wasteful number, since it uses less digits than its factorization.

144836040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28126 (or 28122 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 144836040 is about 12034.7845846945. The cubic root of 144836040 is about 525.1606945730.

The spelling of 144836040 in words is "one hundred forty-four million, eight hundred thirty-six thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 28069 56138 84207 112276 140345 168414 224552 280690 336828 421035 561380 673656 842070 1122760 1206967 1684140 2413934 3368280 3620901 4827868 6034835 7241802 9655736 12069670 14483604 18104505 24139340 28967208 36209010 48278680 72418020 144836040