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100741540 = 22527118587
BaseRepresentation
bin1100000000100…
…11000110100100
321000120012102011
412000103012210
5201242212130
613555124004
72332201054
oct600230644
9230505364
10100741540
1151958679
12298a3604
1317b431a3
14d545564
158c9e52a
hex60131a4

100741540 has 24 divisors (see below), whose sum is σ = 212349312. Its totient is φ = 40145760.

The previous prime is 100741517. The next prime is 100741547. The reversal of 100741540 is 45147001.

It is not an unprimeable number, because it can be changed into a prime (100741547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 14713.

It is an arithmetic number, because the mean of its divisors is an integer number (8847888).

Almost surely, 2100741540 is an apocalyptic number.

100741540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100741540 is an abundant number, since it is smaller than the sum of its proper divisors (111607772).

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

100741540 is a wasteful number, since it uses less digits than its factorization.

100741540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867 (or 18865 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 100741540 is about 10037.0085184780. The cubic root of 100741540 is about 465.3033669990.

Adding to 100741540 its reverse (45147001), we get a palindrome (145888541).

The spelling of 100741540 in words is "one hundred million, seven hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 18587 37174 74348 92935 185870 371740 5037077 10074154 20148308 25185385 50370770 100741540