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144772100 = 225211131611
BaseRepresentation
bin10001010000100…
…00110000000100
3101002102011222122
420220100300010
5244030201400
622210545112
73405354044
oct1050206004
9332364878
10144772100
11747a1470
1240598198
1323cbb485
1415327724
15ca9a685
hex8a10c04

144772100 has 36 divisors (see below), whose sum is σ = 342717648. Its totient is φ = 52644000.

The previous prime is 144772091. The next prime is 144772129. The reversal of 144772100 is 1277441.

It is a self number, because there is not a number n which added to its sum of digits gives 144772100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64706 + ... + 66905.

Almost surely, 2144772100 is an apocalyptic number.

144772100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144772100 is an abundant number, since it is smaller than the sum of its proper divisors (197945548).

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

144772100 is a wasteful number, since it uses less digits than its factorization.

144772100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131636 (or 131629 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 144772100 is about 12032.1278251189. The cubic root of 144772100 is about 525.0834032273.

The spelling of 144772100 in words is "one hundred forty-four million, seven hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 131611 263222 526444 658055 1316110 1447721 2632220 2895442 3290275 5790884 6580550 7238605 13161100 14477210 28954420 36193025 72386050 144772100