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100122275 = 5211438467
BaseRepresentation
bin1011111011110…
…11111010100011
320222101201221102
411331323322203
5201112403100
613533545015
72324011451
oct575737243
9228351842
10100122275
1151575390
122964516b
1317987366
14d4239d1
158bcacd5
hex5f7bea3

100122275 has 24 divisors (see below), whose sum is σ = 138604224. Its totient is φ = 71114400.

The previous prime is 100122257. The next prime is 100122301. The reversal of 100122275 is 572221001.

It is not a de Polignac number, because 100122275 - 210 = 100121251 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7592 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (5775176).

Almost surely, 2100122275 is an apocalyptic number.

100122275 is a deficient number, since it is larger than the sum of its proper divisors (38481949).

100122275 is a wasteful number, since it uses less digits than its factorization.

100122275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531 (or 8526 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 100122275 is about 10006.1118822448. Note that the first 3 decimals coincide. The cubic root of 100122275 is about 464.3479897305.

Adding to 100122275 its reverse (572221001), we get a palindrome (672343276).

The spelling of 100122275 in words is "one hundred million, one hundred twenty-two thousand, two hundred seventy-five".

Divisors: 1 5 11 25 43 55 215 275 473 1075 2365 8467 11825 42335 93137 211675 364081 465685 1820405 2328425 4004891 9102025 20024455 100122275