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100481145 = 356698743
BaseRepresentation
bin1011111110100…
…11100001111001
321000001222012220
411333103201321
5201210344040
613545354253
72330034642
oct577234171
9230058186
10100481145
115179aa76
1229798989
1317a817cb
14d4b86c9
158c4c2d0
hex5fd3879

100481145 has 8 divisors (see below), whose sum is σ = 160769856. Its totient is φ = 53589936.

The previous prime is 100481141. The next prime is 100481167. The reversal of 100481145 is 541184001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100481145 - 22 = 100481141 is a prime.

It is a super-2 number, since 2×1004811452 = 20192921001022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100481141) 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, 3349357 + ... + 3349386.

It is an arithmetic number, because the mean of its divisors is an integer number (20096232).

Almost surely, 2100481145 is an apocalyptic number.

100481145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100481145 is a deficient number, since it is larger than the sum of its proper divisors (60288711).

100481145 is an equidigital number, since it uses as much as digits as its factorization.

100481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698751.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 100481145 is about 10024.0283818433. The cubic root of 100481145 is about 464.9021183732.

The spelling of 100481145 in words is "one hundred million, four hundred eighty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 6698743 20096229 33493715 100481145