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100270253 is a prime number
BaseRepresentation
bin1011111101000…
…00000010101101
320222200020221002
411332200002231
5201132122003
613541050045
72325166046
oct576400255
9228606832
10100270253
1151666586
12296b6925
1317a09815
14d4618cd
158c09a88
hex5fa00ad

100270253 has 2 divisors, whose sum is σ = 100270254. Its totient is φ = 100270252.

The previous prime is 100270241. The next prime is 100270273. The reversal of 100270253 is 352072001.

It is an a-pointer prime, because the next prime (100270273) can be obtained adding 100270253 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 310249 = 9998^2 + 557^2 .

It is an emirp because it is prime and its reverse (352072001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100270253 - 24 = 100270237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100270273) 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 as a sum of consecutive naturals, namely, 50135126 + 50135127.

It is an arithmetic number, because the mean of its divisors is an integer number (50135127).

Almost surely, 2100270253 is an apocalyptic number.

It is an amenable number.

100270253 is a deficient number, since it is larger than the sum of its proper divisors (1).

100270253 is an equidigital number, since it uses as much as digits as its factorization.

100270253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 100270253 is about 10013.5035327302. The cubic root of 100270253 is about 464.5766416879.

The spelling of 100270253 in words is "one hundred million, two hundred seventy thousand, two hundred fifty-three".