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42441120 = 2532529473
BaseRepresentation
bin1010000111100…
…1100110100000
32221212020021100
42201321212200
541331103440
64113354400
71023513021
oct241714640
987766240
1042441120
1121a58707
1212268a00
138a3c9b7
1458cac48
153ad5230
hex28799a0

42441120 has 72 divisors (see below), whose sum is σ = 144835236. Its totient is φ = 11317248.

The previous prime is 42441107. The next prime is 42441121. The reversal of 42441120 is 2114424.

It can be written as a sum of positive squares in 2 ways, for example, as 40602384 + 1838736 = 6372^2 + 1356^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42441093 and 42441102.

It is not an unprimeable number, because it can be changed into a prime (42441121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13297 + ... + 16176.

Almost surely, 242441120 is an apocalyptic number.

42441120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42441120 is an abundant number, since it is smaller than the sum of its proper divisors (102394116).

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

42441120 is a wasteful number, since it uses less digits than its factorization.

42441120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29494 (or 29483 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42441120 is about 6514.6849501722. The cubic root of 42441120 is about 348.8153691009.

Adding to 42441120 its reverse (2114424), we get a palindrome (44555544).

The spelling of 42441120 in words is "forty-two million, four hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 29473 58946 88419 117892 147365 176838 235784 265257 294730 353676 442095 471568 530514 589460 707352 884190 943136 1061028 1178920 1326285 1414704 1768380 2122056 2357840 2652570 2829408 3536760 4244112 4715680 5305140 7073520 8488224 10610280 14147040 21220560 42441120