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225923001 = 3137549691
BaseRepresentation
bin11010111011101…
…00111110111001
3120202010002002120
431131310332321
5430314014001
634230151453
75412212433
oct1535647671
9522102076
10225923001
11106589327
12637b2589
1337a62665
142200d653
1514c7a236
hexd774fb9

225923001 has 8 divisors (see below), whose sum is σ = 303429984. Its totient is φ = 149515680.

The previous prime is 225922973. The next prime is 225923003. The reversal of 225923001 is 100329522.

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

It is not a de Polignac number, because 225923001 - 25 = 225922969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225923003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 274435 + ... + 275256.

It is an arithmetic number, because the mean of its divisors is an integer number (37928748).

Almost surely, 2225923001 is an apocalyptic number.

It is an amenable number.

225923001 is a deficient number, since it is larger than the sum of its proper divisors (77506983).

225923001 is a wasteful number, since it uses less digits than its factorization.

225923001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549831.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 225923001 is about 15030.7352115590. The cubic root of 225923001 is about 609.0507505949.

The spelling of 225923001 in words is "two hundred twenty-five million, nine hundred twenty-three thousand, one".

Divisors: 1 3 137 411 549691 1649073 75307667 225923001