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158120248 = 231113891553
BaseRepresentation
bin10010110110010…
…11100100111000
3102000112100012111
421123023210320
5310434321443
623405022104
73626666656
oct1133134470
9360470174
10158120248
11812890a0
1244b54934
13269b2ca0
1416ddddd6
15dd3569d
hex96cb938

158120248 has 64 divisors (see below), whose sum is σ = 352447200. Its totient is φ = 65556480.

The previous prime is 158120219. The next prime is 158120251. The reversal of 158120248 is 842021851.

158120248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101040 + ... + 102592.

Almost surely, 2158120248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158120248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176223600).

158120248 is an abundant number, since it is smaller than the sum of its proper divisors (194326952).

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

158120248 is a wasteful number, since it uses less digits than its factorization.

158120248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 158120248 is about 12574.5873888569. The cubic root of 158120248 is about 540.7491294511.

The spelling of 158120248 in words is "one hundred fifty-eight million, one hundred twenty thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 89 104 143 178 286 356 572 712 979 1144 1157 1553 1958 2314 3106 3916 4628 6212 7832 9256 12424 12727 17083 20189 25454 34166 40378 50908 68332 80756 101816 136664 138217 161512 222079 276434 444158 552868 888316 1105736 1520387 1776632 1796821 3040774 3593642 6081548 7187284 12163096 14374568 19765031 39530062 79060124 158120248