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158048240 = 2457282229
BaseRepresentation
bin10010110101110…
…01111111110000
3102000101200102112
421122321333300
5310430020430
623403304452
73626250020
oct1132717760
9360350375
10158048240
1181239a89
1244b1b128
132698928c
1416dc1a80
15dd1e195
hex96b9ff0

158048240 has 40 divisors (see below), whose sum is σ = 419958240. Its totient is φ = 54187776.

The previous prime is 158048239. The next prime is 158048311. The reversal of 158048240 is 42840851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 158048197 and 158048206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140555 + ... + 141674.

It is an arithmetic number, because the mean of its divisors is an integer number (10498956).

Almost surely, 2158048240 is an apocalyptic number.

158048240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158048240 is an abundant number, since it is smaller than the sum of its proper divisors (261910000).

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

158048240 is a wasteful number, since it uses less digits than its factorization.

158048240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282249 (or 282243 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 158048240 is about 12571.7238277016. The cubic root of 158048240 is about 540.6670312249.

The spelling of 158048240 in words is "one hundred fifty-eight million, forty-eight thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 282229 564458 1128916 1411145 1975603 2257832 2822290 3951206 4515664 5644580 7902412 9878015 11289160 15804824 19756030 22578320 31609648 39512060 79024120 158048240