Search a number
-
+
100749147 = 397346217
BaseRepresentation
bin1100000000101…
…00111101011011
321000120120211220
412000110331123
5201242433042
613555223123
72332232202
oct600247533
9230516756
10100749147
1151963364
12298a7aa3
1317b467a5
14d548239
158ca18ec
hex6014f5b

100749147 has 8 divisors (see below), whose sum is σ = 135717456. Its totient is φ = 66473472.

The previous prime is 100749137. The next prime is 100749197. The reversal of 100749147 is 741947001.

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

It is not a de Polignac number, because 100749147 - 220 = 99700571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100749127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 172818 + ... + 173399.

It is an arithmetic number, because the mean of its divisors is an integer number (16964682).

Almost surely, 2100749147 is an apocalyptic number.

100749147 is a deficient number, since it is larger than the sum of its proper divisors (34968309).

100749147 is an equidigital number, since it uses as much as digits as its factorization.

100749147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346317.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 100749147 is about 10037.3874588959. The cubic root of 100749147 is about 465.3150783997.

The spelling of 100749147 in words is "one hundred million, seven hundred forty-nine thousand, one hundred forty-seven".

Divisors: 1 3 97 291 346217 1038651 33583049 100749147