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100442884 = 22101248621
BaseRepresentation
bin1011111110010…
…10001100000100
321000000000201211
411333022030010
5201203133014
613544501204
72326515253
oct577121404
9230000654
10100442884
1151774253
122977a804
1317a6a279
14d4a879a
158c40cc4
hex5fca304

100442884 has 12 divisors (see below), whose sum is σ = 177516108. Its totient is φ = 49724000.

The previous prime is 100442879. The next prime is 100442939. The reversal of 100442884 is 488244001.

It can be written as a sum of positive squares in 2 ways, for example, as 78145600 + 22297284 = 8840^2 + 4722^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123907 + ... + 124714.

It is an arithmetic number, because the mean of its divisors is an integer number (14793009).

Almost surely, 2100442884 is an apocalyptic number.

It is an amenable number.

100442884 is a deficient number, since it is larger than the sum of its proper divisors (77073224).

100442884 is a wasteful number, since it uses less digits than its factorization.

100442884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248726 (or 248724 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 100442884 is about 10022.1197358643. The cubic root of 100442884 is about 464.8431027302.

Adding to 100442884 its reverse (488244001), we get a palindrome (588686885).

The spelling of 100442884 in words is "one hundred million, four hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 101 202 404 248621 497242 994484 25110721 50221442 100442884