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100284049 is a prime number
BaseRepresentation
bin1011111101000…
…11011010010001
320222200221212001
411332203122101
5201133042144
613541234001
72325254215
oct576433221
9228627761
10100284049
1151675988
1229702901
1317a12b98
14d466945
158c0dbd4
hex5fa3691

100284049 has 2 divisors, whose sum is σ = 100284050. Its totient is φ = 100284048.

The previous prime is 100284031. The next prime is 100284053. The reversal of 100284049 is 940482001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 24681024 = 8695^2 + 4968^2 .

It is an emirp because it is prime and its reverse (940482001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100284049 - 27 = 100283921 is a prime.

It is a super-3 number, since 3×1002840493 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (100284029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50142024 + 50142025.

It is an arithmetic number, because the mean of its divisors is an integer number (50142025).

Almost surely, 2100284049 is an apocalyptic number.

It is an amenable number.

100284049 is a deficient number, since it is larger than the sum of its proper divisors (1).

100284049 is an equidigital number, since it uses as much as digits as its factorization.

100284049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 100284049 is about 10014.1923788192. The cubic root of 100284049 is about 464.5979474598.

The spelling of 100284049 in words is "one hundred million, two hundred eighty-four thousand, forty-nine".