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141117840 = 24325195997
BaseRepresentation
bin10000110100101…
…00100110010000
3100211112112021200
420122110212100
5242111232330
622000351200
73332324163
oct1032244620
9324475250
10141117840
1172725a16
123b315500
132330c0a6
1414a55ada
15c5c7a60
hex8694990

141117840 has 60 divisors (see below), whose sum is σ = 473923164. Its totient is φ = 37631232.

The previous prime is 141117803. The next prime is 141117863. The reversal of 141117840 is 48711141.

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 121616784 = 4416^2 + 11028^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97279 + ... + 98718.

Almost surely, 2141117840 is an apocalyptic number.

141117840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141117840 is an abundant number, since it is smaller than the sum of its proper divisors (332805324).

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

141117840 is a wasteful number, since it uses less digits than its factorization.

141117840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196016 (or 196007 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 141117840 is about 11879.3030098571. The cubic root of 141117840 is about 520.6277428714.

Adding to 141117840 its reverse (48711141), we get a palindrome (189828981).

The spelling of 141117840 in words is "one hundred forty-one million, one hundred seventeen thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 195997 391994 587991 783988 979985 1175982 1567976 1763973 1959970 2351964 2939955 3135952 3527946 3919940 4703928 5879910 7055892 7839880 8819865 9407856 11759820 14111784 15679760 17639730 23519640 28223568 35279460 47039280 70558920 141117840