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158354140 = 22577189179
BaseRepresentation
bin10010111000001…
…00101011011100
3102000222020001011
421130010223130
5311014313030
623414025004
73631662610
oct1134045334
9360866034
10158354140
118142889a
1245048164
1326a65599
1417061340
15dd7eb2a
hex9704adc

158354140 has 96 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 52631040.

The previous prime is 158354137. The next prime is 158354179. The reversal of 158354140 is 41453851.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 884571 + ... + 884749.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2158354140 is an apocalyptic number.

158354140 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 158354140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

158354140 is an abundant number, since it is smaller than the sum of its proper divisors (233556260).

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

158354140 is a wasteful number, since it uses less digits than its factorization.

158354140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 158354140 is about 12583.8841380553. The cubic root of 158354140 is about 541.0156240683.

The spelling of 158354140 in words is "one hundred fifty-eight million, three hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 89 140 142 178 179 284 355 356 358 445 497 623 710 716 890 895 994 1246 1253 1420 1780 1790 1988 2485 2492 2506 3115 3580 4970 5012 6230 6265 6319 9940 12460 12530 12638 12709 15931 25060 25276 25418 31595 31862 44233 50836 63190 63545 63724 79655 88466 88963 111517 126380 127090 159310 176932 177926 221165 223034 254180 318620 355852 442330 444815 446068 557585 884660 889630 1115170 1131101 1779260 2230340 2262202 4524404 5655505 7917707 11311010 15835414 22622020 31670828 39588535 79177070 158354140