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142716380 = 22523461673
BaseRepresentation
bin10001000000110…
…10110111011100
3100221112202001212
420200122313130
5243013411010
622054523552
73352032512
oct1040326734
9327482055
10142716380
1173617a24
123b9665b8
132374b881
1414d504b2
15c7e1505
hex881addc

142716380 has 48 divisors (see below), whose sum is σ = 313879104. Its totient is φ = 54405120.

The previous prime is 142716361. The next prime is 142716383. The reversal of 142716380 is 83617241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142716383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211724 + ... + 212396.

It is an arithmetic number, because the mean of its divisors is an integer number (6539148).

Almost surely, 2142716380 is an apocalyptic number.

142716380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142716380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156939552).

142716380 is an abundant number, since it is smaller than the sum of its proper divisors (171162724).

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

142716380 is a wasteful number, since it uses less digits than its factorization.

142716380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 142716380 is about 11946.3961092875. The cubic root of 142716380 is about 522.5862040412.

The spelling of 142716380 in words is "one hundred forty-two million, seven hundred sixteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 461 673 922 1346 1844 2305 2692 3365 4610 6730 9220 10603 13460 15479 21206 30958 42412 53015 61916 77395 106030 154790 212060 309580 310253 620506 1241012 1551265 3102530 6205060 7135819 14271638 28543276 35679095 71358190 142716380