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141312440 = 2353532811
BaseRepresentation
bin10000110110001…
…00000110111000
3100211220102020002
420123010012320
5242133444230
622004452132
73334064423
oct1033040670
9324812202
10141312440
1172849145
123b3aa048
1323379839
1414aa69ba
15c615545
hex86c41b8

141312440 has 16 divisors (see below), whose sum is σ = 317953080. Its totient is φ = 56524960.

The previous prime is 141312427. The next prime is 141312461. The reversal of 141312440 is 44213141.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1766366 + ... + 1766445.

Almost surely, 2141312440 is an apocalyptic number.

141312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141312440 is an abundant number, since it is smaller than the sum of its proper divisors (176640640).

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

141312440 is a wasteful number, since it uses less digits than its factorization.

141312440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532822 (or 3532818 counting only the distinct ones).

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

The square root of 141312440 is about 11887.4909043078. The cubic root of 141312440 is about 520.8669463249.

Adding to 141312440 its reverse (44213141), we get a palindrome (185525581).

The spelling of 141312440 in words is "one hundred forty-one million, three hundred twelve thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3532811 7065622 14131244 17664055 28262488 35328110 70656220 141312440