Search a number
-
+
141242240 = 2751991109
BaseRepresentation
bin10000110101100…
…10111110000000
3100211202211221002
420122302332000
5242124222430
622003151132
73333352646
oct1032627600
9324684832
10141242240
1172800427
123b3754a8
13233538b9
1414a89196
15c5ee845
hex86b2f80

141242240 has 64 divisors (see below), whose sum is σ = 339660000. Its totient is φ = 56162304.

The previous prime is 141242237. The next prime is 141242243. The reversal of 141242240 is 42242141.

It is an interprime number because it is at equal distance from previous prime (141242237) and next prime (141242243).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141242243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126806 + ... + 127914.

Almost surely, 2141242240 is an apocalyptic number.

141242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169830000).

141242240 is an abundant number, since it is smaller than the sum of its proper divisors (198417760).

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

141242240 is a wasteful number, since it uses less digits than its factorization.

141242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 141242240 is about 11884.5378538671. The cubic root of 141242240 is about 520.7806814117.

Adding to 141242240 its reverse (42242141), we get a palindrome (183484381).

Subtracting from 141242240 its reverse (42242141), we obtain a palindrome (99000099).

The spelling of 141242240 in words is "one hundred forty-one million, two hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 199 320 398 640 796 995 1109 1592 1990 2218 3184 3980 4436 5545 6368 7960 8872 11090 12736 15920 17744 22180 25472 31840 35488 44360 63680 70976 88720 127360 141952 177440 220691 354880 441382 709760 882764 1103455 1765528 2206910 3531056 4413820 7062112 8827640 14124224 17655280 28248448 35310560 70621120 141242240