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100448055 = 3252232179
BaseRepresentation
bin1011111110010…
…11011100110111
321000000021211100
411333023130313
5201203314210
613544541143
72326536321
oct577133467
9230007740
10100448055
1151778124
12297817b3
1317a6c726
14d4aa611
158c425c0
hex5fcb737

100448055 has 12 divisors (see below), whose sum is σ = 174110040. Its totient is φ = 53572272.

The previous prime is 100448021. The next prime is 100448057. The reversal of 100448055 is 550844001.

It is not a de Polignac number, because 100448055 - 28 = 100447799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100448057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116045 + ... + 1116134.

It is an arithmetic number, because the mean of its divisors is an integer number (14509170).

Almost surely, 2100448055 is an apocalyptic number.

100448055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100448055 is a deficient number, since it is larger than the sum of its proper divisors (73661985).

100448055 is a wasteful number, since it uses less digits than its factorization.

100448055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232190 (or 2232187 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 100448055 is about 10022.3777119005. The cubic root of 100448055 is about 464.8510796100.

The spelling of 100448055 in words is "one hundred million, four hundred forty-eight thousand, fifty-five".

Divisors: 1 3 5 9 15 45 2232179 6696537 11160895 20089611 33482685 100448055