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20225078 = 225140289
BaseRepresentation
bin100110100100…
…1110000110110
31102001112120222
41031021300312
520134200303
62001254342
7333624146
oct115116066
942045528
1020225078
1110464445
1269343b2
134261a03
142986926
151b97938
hex1349c36

20225078 has 8 divisors (see below), whose sum is σ = 30459240. Its totient is φ = 10072000.

The previous prime is 20225077. The next prime is 20225083. The reversal of 20225078 is 87052202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19643 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (3807405).

Almost surely, 220225078 is an apocalyptic number.

20225078 is a deficient number, since it is larger than the sum of its proper divisors (10234162).

20225078 is a wasteful number, since it uses less digits than its factorization.

20225078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40542.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 20225078 is about 4497.2300363668. The cubic root of 20225078 is about 272.4562250475.

The spelling of 20225078 in words is "twenty million, two hundred twenty-five thousand, seventy-eight".

Divisors: 1 2 251 502 40289 80578 10112539 20225078