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141247020 = 22356013917
BaseRepresentation
bin10000110101101…
…00001000101100
3100211210002111010
420122310020230
5242124401040
622003225220
73333402615
oct1032641054
9324702433
10141247020
1172803a82
123b378210
1323355b25
1414a8ac0c
15c600e80
hex86b422c

141247020 has 48 divisors (see below), whose sum is σ = 396250848. Its totient is φ = 37593600.

The previous prime is 141247013. The next prime is 141247021. The reversal of 141247020 is 20742141.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (141247021) 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 15 ways as a sum of consecutive naturals, for example, 34102 + ... + 38018.

It is an arithmetic number, because the mean of its divisors is an integer number (8255226).

Almost surely, 2141247020 is an apocalyptic number.

141247020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141247020 is an abundant number, since it is smaller than the sum of its proper divisors (255003828).

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

141247020 is a wasteful number, since it uses less digits than its factorization.

141247020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 141247020 is about 11884.7389538012. The cubic root of 141247020 is about 520.7865561972.

Adding to 141247020 its reverse (20742141), we get a palindrome (161989161).

The spelling of 141247020 in words is "one hundred forty-one million, two hundred forty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 601 1202 1803 2404 3005 3606 3917 6010 7212 7834 9015 11751 12020 15668 18030 19585 23502 36060 39170 47004 58755 78340 117510 235020 2354117 4708234 7062351 9416468 11770585 14124702 23541170 28249404 35311755 47082340 70623510 141247020