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100908730 = 2513776221
BaseRepresentation
bin1100000001110…
…11111010111010
321000212200202101
412000323322322
5201313034410
614002454014
72333465356
oct600737272
9230780671
10100908730
1151a6224a
122996430a
1317ba1310
14d58a466
158cd3d3a
hex603beba

100908730 has 16 divisors (see below), whose sum is σ = 195607944. Its totient is φ = 37258560.

The previous prime is 100908727. The next prime is 100908733. The reversal of 100908730 is 37809001.

It is an interprime number because it is at equal distance from previous prime (100908727) and next prime (100908733).

It can be written as a sum of positive squares in 4 ways, for example, as 83777409 + 17131321 = 9153^2 + 4139^2 .

It is not an unprimeable number, because it can be changed into a prime (100908733) 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, 387981 + ... + 388240.

Almost surely, 2100908730 is an apocalyptic number.

100908730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100908730 is a deficient number, since it is larger than the sum of its proper divisors (94699214).

100908730 is a wasteful number, since it uses less digits than its factorization.

100908730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776241.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 100908730 is about 10045.3337425891. Note that the first 3 decimals coincide. The cubic root of 100908730 is about 465.5606295412.

The spelling of 100908730 in words is "one hundred million, nine hundred eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 776221 1552442 3881105 7762210 10090873 20181746 50454365 100908730