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158124040 = 2357875023
BaseRepresentation
bin10010110110011…
…00100000001000
3102000112112101221
421123030200020
5310434432130
623405051424
73630014014
oct1133144010
9360475357
10158124040
1181290a28
1244b56b74
13269b4929
1417001544
15dd3687a
hex96cc808

158124040 has 32 divisors (see below), whose sum is σ = 356302080. Its totient is φ = 63156672.

The previous prime is 158124019. The next prime is 158124041. The reversal of 158124040 is 40421851.

It is a junction number, because it is equal to n+sod(n) for n = 158123996 and 158124014.

It is not an unprimeable number, because it can be changed into a prime (158124041) 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, 28969 + ... + 33991.

It is an arithmetic number, because the mean of its divisors is an integer number (11134440).

Almost surely, 2158124040 is an apocalyptic number.

158124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158124040 is an abundant number, since it is smaller than the sum of its proper divisors (198178040).

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

158124040 is a wasteful number, since it uses less digits than its factorization.

158124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 158124040 is about 12574.7381682483. The cubic root of 158124040 is about 540.7534521197.

Adding to 158124040 its reverse (40421851), we get a palindrome (198545891).

The spelling of 158124040 in words is "one hundred fifty-eight million, one hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 787 1574 3148 3935 5023 6296 7870 10046 15740 20092 25115 31480 40184 50230 100460 200920 3953101 7906202 15812404 19765505 31624808 39531010 79062020 158124040