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100327720 = 2353767789
BaseRepresentation
bin1011111101011…
…10000100101000
320222210011202111
411332232010220
5201140441340
613542212104
72325525433
oct576560450
9228704674
10100327720
11516a5779
1229724034
1317a29a1c
14d47881a
158c1baea
hex5fae128

100327720 has 32 divisors (see below), whose sum is σ = 231841800. Its totient is φ = 39045888.

The previous prime is 100327681. The next prime is 100327741. The reversal of 100327720 is 27723001.

It can be written as a sum of positive squares in 4 ways, for example, as 100280196 + 47524 = 10014^2 + 218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100327691 and 100327700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32415 + ... + 35374.

Almost surely, 2100327720 is an apocalyptic number.

100327720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100327720 is an abundant number, since it is smaller than the sum of its proper divisors (131514080).

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

100327720 is a wasteful number, since it uses less digits than its factorization.

100327720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67837 (or 67833 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 100327720 is about 10016.3725969035. The cubic root of 100327720 is about 464.6653776334.

The spelling of 100327720 in words is "one hundred million, three hundred twenty-seven thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 67789 135578 271156 338945 542312 677890 1355780 2508193 2711560 5016386 10032772 12540965 20065544 25081930 50163860 100327720