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1541342140 = 225137975041
BaseRepresentation
bin101101111011111…
…0000001110111100
310222102022021220221
41123313300032330
511124040422030
6412540151124
753124122602
oct13367601674
93872267827
101541342140
11721058188
123702384a4
131b7438990
141089c5872
15904b3e7a
hex5bdf03bc

1541342140 has 48 divisors (see below), whose sum is σ = 3529975680. Its totient is φ = 561899520.

The previous prime is 1541342123. The next prime is 1541342167. The reversal of 1541342140 is 412431451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16981 + ... + 58060.

It is an arithmetic number, because the mean of its divisors is an integer number (73541160).

Almost surely, 21541342140 is an apocalyptic number.

1541342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1541342140 is an abundant number, since it is smaller than the sum of its proper divisors (1988633540).

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

1541342140 is a wasteful number, since it uses less digits than its factorization.

1541342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75142 (or 75140 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1541342140 is about 39259.9304635146. The cubic root of 1541342140 is about 1155.1357298809.

Adding to 1541342140 its reverse (412431451), we get a palindrome (1953773591).

The spelling of 1541342140 in words is "one billion, five hundred forty-one million, three hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 79 130 158 260 316 395 790 1027 1580 2054 4108 5135 10270 20540 75041 150082 300164 375205 750410 975533 1500820 1951066 3902132 4877665 5928239 9755330 11856478 19510660 23712956 29641195 59282390 77067107 118564780 154134214 308268428 385335535 770671070 1541342140