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141550440 = 23355919993
BaseRepresentation
bin10000110111111…
…10001101101000
3100212100111200220
420123332031220
5242214103230
622013530040
73336105333
oct1033761550
9325314626
10141550440
11729a0a39
123b4a3920
1323430c75
1414b2961a
15c660d10
hex86fe368

141550440 has 64 divisors (see below), whose sum is σ = 431870400. Its totient is φ = 37105152.

The previous prime is 141550429. The next prime is 141550457. The reversal of 141550440 is 44055141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 141550440.

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, 2917 + ... + 17076.

It is an arithmetic number, because the mean of its divisors is an integer number (6747975).

Almost surely, 2141550440 is an apocalyptic number.

141550440 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 141550440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215935200).

141550440 is an abundant number, since it is smaller than the sum of its proper divisors (290319960).

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

141550440 is a wasteful number, since it uses less digits than its factorization.

141550440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066 (or 20062 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 141550440 is about 11897.4972158013. The cubic root of 141550440 is about 521.1591989699.

The spelling of 141550440 in words is "one hundred forty-one million, five hundred fifty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 118 120 177 236 295 354 472 590 708 885 1180 1416 1770 2360 3540 7080 19993 39986 59979 79972 99965 119958 159944 199930 239916 299895 399860 479832 599790 799720 1179587 1199580 2359174 2399160 3538761 4718348 5897935 7077522 9436696 11795870 14155044 17693805 23591740 28310088 35387610 47183480 70775220 141550440