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122248261 = 1923926921
BaseRepresentation
bin1110100100101…
…01110001000101
322112000212002101
413102111301011
5222243421021
620044112101
73013043632
oct722256105
9275025071
10122248261
1163007a23
1234b35631
131c433365
1412343189
15aaeba91
hex7495c45

122248261 has 8 divisors (see below), whose sum is σ = 129225600. Its totient is φ = 115325280.

The previous prime is 122248199. The next prime is 122248277. The reversal of 122248261 is 162842221.

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

It is a cyclic number.

It is not a de Polignac number, because 122248261 - 211 = 122246213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122248661) 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, 8920 + ... + 18001.

It is an arithmetic number, because the mean of its divisors is an integer number (16153200).

Almost surely, 2122248261 is an apocalyptic number.

It is an amenable number.

122248261 is a deficient number, since it is larger than the sum of its proper divisors (6977339).

122248261 is a wasteful number, since it uses less digits than its factorization.

122248261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27179.

The product of its digits is 3072, while the sum is 28.

The square root of 122248261 is about 11056.5935531700. The cubic root of 122248261 is about 496.3037575824.

The spelling of 122248261 in words is "one hundred twenty-two million, two hundred forty-eight thousand, two hundred sixty-one".

Divisors: 1 19 239 4541 26921 511499 6434119 122248261