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143414540 = 22531123057
BaseRepresentation
bin10001000110001…
…01010100001100
3100222212012202122
420203011110030
5243203231130
622121512112
73361001123
oct1043052414
9328765678
10143414540
1173a54515
1240042638
1323934599
1415092aba
15c8cd2e5
hex88c550c

143414540 has 24 divisors (see below), whose sum is σ = 302152032. Its totient is φ = 57178880.

The previous prime is 143414539. The next prime is 143414549. The reversal of 143414540 is 45414341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (143414549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5309 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (12589668).

Almost surely, 2143414540 is an apocalyptic number.

143414540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143414540 is an abundant number, since it is smaller than the sum of its proper divisors (158737492).

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

143414540 is a wasteful number, since it uses less digits than its factorization.

143414540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23377 (or 23375 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 143414540 is about 11975.5809879939. The cubic root of 143414540 is about 523.4369717348.

Adding to 143414540 its reverse (45414341), we get a palindrome (188828881).

It can be divided in two parts, 14341 and 4540, that added together give a palindrome (18881).

The spelling of 143414540 in words is "one hundred forty-three million, four hundred fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 23057 46114 92228 115285 230570 461140 7170727 14341454 28682908 35853635 71707270 143414540