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100472284 = 221113117431
BaseRepresentation
bin1011111110100…
…01010111011100
321000001112001201
411333101113130
5201210103114
613545245244
72330000053
oct577212734
9230045051
10100472284
1151794350
1229793824
1317a7a773
14d4b539a
158c49874
hex5fd15dc

100472284 has 24 divisors (see below), whose sum is σ = 193286016. Its totient is φ = 45318000.

The previous prime is 100472249. The next prime is 100472287. The reversal of 100472284 is 482274001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100472287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (8053584).

Almost surely, 2100472284 is an apocalyptic number.

It is an amenable number.

100472284 is a deficient number, since it is larger than the sum of its proper divisors (92813732).

100472284 is a wasteful number, since it uses less digits than its factorization.

100472284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17577 (or 17575 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 100472284 is about 10023.5863841242. The cubic root of 100472284 is about 464.8884520653. Note that the first 3 decimals are identical.

The spelling of 100472284 in words is "one hundred million, four hundred seventy-two thousand, two hundred eighty-four".

Divisors: 1 2 4 11 22 44 131 262 524 1441 2882 5764 17431 34862 69724 191741 383482 766964 2283461 4566922 9133844 25118071 50236142 100472284