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141143240 = 2357539511
BaseRepresentation
bin10000110100110…
…10110011001000
3100211120211010102
420122122303020
5242113040430
622001104532
73332461220
oct1032326310
9324524112
10141143240
1172743007
123b328148
132331a814
1414a61080
15c5d0345
hex869acc8

141143240 has 64 divisors (see below), whose sum is σ = 369826560. Its totient is φ = 47473920.

The previous prime is 141143239. The next prime is 141143251. The reversal of 141143240 is 42341141.

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

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, 10085 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (5778540).

Almost surely, 2141143240 is an apocalyptic number.

141143240 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 141143240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184913280).

141143240 is an abundant number, since it is smaller than the sum of its proper divisors (228683320).

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

141143240 is a wasteful number, since it uses less digits than its factorization.

141143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582 (or 9578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 141143240 is about 11880.3720480463. The cubic root of 141143240 is about 520.6589771726.

Adding to 141143240 its reverse (42341141), we get a palindrome (183484381).

The spelling of 141143240 in words is "one hundred forty-one million, one hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 53 56 70 106 140 212 265 280 371 424 530 742 1060 1484 1855 2120 2968 3710 7420 9511 14840 19022 38044 47555 66577 76088 95110 133154 190220 266308 332885 380440 504083 532616 665770 1008166 1331540 2016332 2520415 2663080 3528581 4032664 5040830 7057162 10081660 14114324 17642905 20163320 28228648 35285810 70571620 141143240