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141040240 = 24511831931
BaseRepresentation
bin10000110100000…
…01101001110000
3100211101120211121
420122001221300
5242101241430
621554552024
73331552015
oct1032015160
9324346747
10141040240
1172682690
123b298614
13232b2983
1414a3570c
15c5aea7a
hex8681a70

141040240 has 80 divisors (see below), whose sum is σ = 362226816. Its totient is φ = 50643200.

The previous prime is 141040213. The next prime is 141040283. The reversal of 141040240 is 42040141.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 72075 + ... + 74005.

Almost surely, 2141040240 is an apocalyptic number.

141040240 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 141040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181113408).

141040240 is an abundant number, since it is smaller than the sum of its proper divisors (221186576).

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

141040240 is a wasteful number, since it uses less digits than its factorization.

141040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 141040240 is about 11876.0363758284. The cubic root of 141040240 is about 520.5322951697.

Adding to 141040240 its reverse (42040141), we get a palindrome (183080381).

Subtracting from 141040240 its reverse (42040141), we obtain a palindrome (99000099).

The spelling of 141040240 in words is "one hundred forty-one million, forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 83 88 110 166 176 220 332 415 440 664 830 880 913 1328 1660 1826 1931 3320 3652 3862 4565 6640 7304 7724 9130 9655 14608 15448 18260 19310 21241 30896 36520 38620 42482 73040 77240 84964 106205 154480 160273 169928 212410 320546 339856 424820 641092 801365 849640 1282184 1602730 1699280 1763003 2564368 3205460 3526006 6410920 7052012 8815015 12821840 14104024 17630030 28208048 35260060 70520120 141040240