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155341340 = 225711195309
BaseRepresentation
bin10010100001001…
…01001000011100
3101211022011020222
421100211020130
5304231410330
623225300512
73564244130
oct1120451034
9354264228
10155341340
117a760280
1244034738
132624c16b
14168b93c0
15d9870e5
hex942521c

155341340 has 96 divisors (see below), whose sum is σ = 428198400. Its totient is φ = 45861120.

The previous prime is 155341331. The next prime is 155341343. The reversal of 155341340 is 43143551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155341343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26606 + ... + 31914.

It is an arithmetic number, because the mean of its divisors is an integer number (4460400).

Almost surely, 2155341340 is an apocalyptic number.

155341340 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 155341340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214099200).

155341340 is an abundant number, since it is smaller than the sum of its proper divisors (272857060).

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

155341340 is a wasteful number, since it uses less digits than its factorization.

155341340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355 (or 5353 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 155341340 is about 12463.6006033570. The cubic root of 155341340 is about 537.5625627555.

Adding to 155341340 its reverse (43143551), we get a palindrome (198484891).

The spelling of 155341340 in words is "one hundred fifty-five million, three hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 11 14 19 20 22 28 35 38 44 55 70 76 77 95 110 133 140 154 190 209 220 266 308 380 385 418 532 665 770 836 1045 1330 1463 1540 2090 2660 2926 4180 5309 5852 7315 10618 14630 21236 26545 29260 37163 53090 58399 74326 100871 106180 116798 148652 185815 201742 233596 291995 371630 403484 408793 504355 583990 706097 743260 817586 1008710 1109581 1167980 1412194 1635172 2017420 2043965 2219162 2824388 3530485 4087930 4438324 5547905 7060970 7767067 8175860 11095810 14121940 15534134 22191620 31068268 38835335 77670670 155341340