Search a number
-
+
141451540 = 2257072577
BaseRepresentation
bin10000110111001…
…10000100010100
3100212011111000221
420123212010110
5242202422130
622011444124
73335214106
oct1033460424
9325144027
10141451540
11729336aa
123b456644
13233c7c49
1414b01576
15c64187a
hex86e6114

141451540 has 12 divisors (see below), whose sum is σ = 297048276. Its totient is φ = 56580608.

The previous prime is 141451537. The next prime is 141451549. The reversal of 141451540 is 45154141.

It can be written as a sum of positive squares in 2 ways, for example, as 43718544 + 97732996 = 6612^2 + 9886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141451549) 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 3 ways as a sum of consecutive naturals, for example, 3536269 + ... + 3536308.

It is an arithmetic number, because the mean of its divisors is an integer number (24754023).

Almost surely, 2141451540 is an apocalyptic number.

141451540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141451540 is an abundant number, since it is smaller than the sum of its proper divisors (155596736).

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

141451540 is a wasteful number, since it uses less digits than its factorization.

141451540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072586 (or 7072584 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 141451540 is about 11893.3401532118. The cubic root of 141451540 is about 521.0377942995.

It can be divided in two parts, 14145 and 1540, that multiplied together give a triangular number (21783300 = T6600).

The spelling of 141451540 in words is "one hundred forty-one million, four hundred fifty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7072577 14145154 28290308 35362885 70725770 141451540