Search a number
-
+
101057774 = 250528887
BaseRepresentation
bin1100000011000…
…00010011101110
321001011021012112
412001200103232
5201332322044
614010004022
72334656036
oct601402356
9231137175
10101057774
1152054224
1229a16612
1317c240cc
14d5c88c6
158d1309e
hex60604ee

101057774 has 4 divisors (see below), whose sum is σ = 151586664. Its totient is φ = 50528886.

The previous prime is 101057773. The next prime is 101057819. The reversal of 101057774 is 477750101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477750101 = 1134227877.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101057774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101057771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25264442 + ... + 25264445.

It is an arithmetic number, because the mean of its divisors is an integer number (37896666).

Almost surely, 2101057774 is an apocalyptic number.

101057774 is a deficient number, since it is larger than the sum of its proper divisors (50528890).

101057774 is an equidigital number, since it uses as much as digits as its factorization.

101057774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50528889.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 101057774 is about 10052.7495741215. The cubic root of 101057774 is about 465.7897305765.

The spelling of 101057774 in words is "one hundred one million, fifty-seven thousand, seven hundred seventy-four".

Divisors: 1 2 50528887 101057774