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330250121 = 418054881
BaseRepresentation
bin10011101011110…
…011011110001001
3212000102102222222
4103223303132021
51134021000441
652434223425
711120036225
oct2353633611
9760372888
10330250121
1115a465893
1292724b75
135355c896
1431c09785
151ded6d4b
hex13af3789

330250121 has 4 divisors (see below), whose sum is σ = 338305044. Its totient is φ = 322195200.

The previous prime is 330250093. The next prime is 330250127. The reversal of 330250121 is 121052033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121052033 = 419288907.

It can be written as a sum of positive squares in 2 ways, for example, as 11806096 + 318444025 = 3436^2 + 17845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-330250121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330250121.

It is not an unprimeable number, because it can be changed into a prime (330250127) 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 3 ways as a sum of consecutive naturals, for example, 4027400 + ... + 4027481.

It is an arithmetic number, because the mean of its divisors is an integer number (84576261).

Almost surely, 2330250121 is an apocalyptic number.

It is an amenable number.

330250121 is a deficient number, since it is larger than the sum of its proper divisors (8054923).

330250121 is an equidigital number, since it uses as much as digits as its factorization.

330250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054922.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 330250121 is about 18172.7851745405. The cubic root of 330250121 is about 691.2168690078.

The spelling of 330250121 in words is "three hundred thirty million, two hundred fifty thousand, one hundred twenty-one".

Divisors: 1 41 8054881 330250121