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100505048 = 2371794733
BaseRepresentation
bin1011111110110…
…01010111011000
321000010012000012
411333121113120
5201212130143
613550101052
72330164430
oct577312730
9230105005
10100505048
1151806a26
12297aa788
1317a8c657
14d4c32c0
158c54418
hex5fd95d8

100505048 has 16 divisors (see below), whose sum is σ = 215368080. Its totient is φ = 43073568.

The previous prime is 100505047. The next prime is 100505057. The reversal of 100505048 is 840505001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505047) 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 3 ways as a sum of consecutive naturals, for example, 897311 + ... + 897422.

It is an arithmetic number, because the mean of its divisors is an integer number (13460505).

Almost surely, 2100505048 is an apocalyptic number.

It is an amenable number.

100505048 is an abundant number, since it is smaller than the sum of its proper divisors (114863032).

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

100505048 is a wasteful number, since it uses less digits than its factorization.

100505048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794746 (or 1794742 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 100505048 is about 10025.2205960767. The cubic root of 100505048 is about 464.9389799299.

The spelling of 100505048 in words is "one hundred million, five hundred five thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 1794733 3589466 7178932 12563131 14357864 25126262 50252524 100505048