Search a number
-
+
100501149 = 374785769
BaseRepresentation
bin1011111110110…
…00011010011101
321000002222122210
411333120122131
5201212014044
613550031033
72330150160
oct577303235
9230088583
10100501149
1151804001
12297a8479
1317a8a948
14d4c1ad7
158c531b9
hex5fd869d

100501149 has 8 divisors (see below), whose sum is σ = 153144640. Its totient is φ = 57429216.

The previous prime is 100501147. The next prime is 100501157. The reversal of 100501149 is 941105001.

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

It is not a de Polignac number, because 100501149 - 21 = 100501147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4785769 = 100501149 / (1 + 0 + 0 + 5 + 0 + 1 + 1 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100501147) 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, 2392864 + ... + 2392905.

It is an arithmetic number, because the mean of its divisors is an integer number (19143080).

Almost surely, 2100501149 is an apocalyptic number.

It is an amenable number.

100501149 is a deficient number, since it is larger than the sum of its proper divisors (52643491).

100501149 is an equidigital number, since it uses as much as digits as its factorization.

100501149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785779.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 100501149 is about 10025.0261346293. The cubic root of 100501149 is about 464.9329675602.

The spelling of 100501149 in words is "one hundred million, five hundred one thousand, one hundred forty-nine".

Divisors: 1 3 7 21 4785769 14357307 33500383 100501149