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158918214 = 237133141229
BaseRepresentation
bin10010111100011…
…10011001000110
3102002000212210210
421132032121012
5311140340324
623434100250
73636532260
oct1136163106
9362025723
10158918214
1181783674
124527a686
1326c02260
141716ab30
15de41d29
hex978e646

158918214 has 128 divisors (see below), whose sum is σ = 415457280. Its totient is φ = 39398400.

The previous prime is 158918213. The next prime is 158918251. The reversal of 158918214 is 412819851.

158918214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158918213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 693852 + ... + 694080.

It is an arithmetic number, because the mean of its divisors is an integer number (3245760).

Almost surely, 2158918214 is an apocalyptic number.

158918214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158918214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207728640).

158918214 is an abundant number, since it is smaller than the sum of its proper divisors (256539066).

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

158918214 is a wasteful number, since it uses less digits than its factorization.

158918214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 23040, while the sum is 39.

The square root of 158918214 is about 12606.2767699270. The cubic root of 158918214 is about 541.6572475627.

The spelling of 158918214 in words is "one hundred fifty-eight million, nine hundred eighteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 13 14 21 26 31 39 41 42 62 78 82 91 93 123 182 186 217 229 246 273 287 403 434 458 533 546 574 651 687 806 861 1066 1209 1271 1302 1374 1599 1603 1722 2418 2542 2821 2977 3198 3206 3731 3813 4809 5642 5954 7099 7462 7626 8463 8897 8931 9389 9618 11193 14198 16523 16926 17794 17862 18778 20839 21297 22386 26691 28167 33046 41678 42594 49569 49693 53382 56334 62517 65723 92287 99138 99386 115661 122057 125034 131446 149079 184574 197169 231322 244114 276861 291059 298158 346983 366171 394338 553722 582118 646009 693966 732342 854399 873177 1292018 1708798 1746354 1938027 2037413 2563197 3783767 3876054 4074826 5126394 6112239 7567534 11351301 12224478 22702602 26486369 52972738 79459107 158918214