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27220148 = 226805037
BaseRepresentation
bin110011111010…
…1100010110100
31220012221000122
41213311202310
523432021043
62411231112
7450240014
oct147654264
956187018
1027220148
111440199a
129148498
1358408c7
143887c44
1525ca368
hex19f58b4

27220148 has 6 divisors (see below), whose sum is σ = 47635266. Its totient is φ = 13610072.

The previous prime is 27220147. The next prime is 27220153. The reversal of 27220148 is 84102272.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 5579044 = 4652^2 + 2362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27220147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402515 + ... + 3402522.

It is an arithmetic number, because the mean of its divisors is an integer number (7939211).

Almost surely, 227220148 is an apocalyptic number.

It is an amenable number.

27220148 is a deficient number, since it is larger than the sum of its proper divisors (20415118).

27220148 is a wasteful number, since it uses less digits than its factorization.

27220148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805041 (or 6805039 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 27220148 is about 5217.2931679176. The cubic root of 27220148 is about 300.8131568911.

The spelling of 27220148 in words is "twenty-seven million, two hundred twenty thousand, one hundred forty-eight".

Divisors: 1 2 4 6805037 13610074 27220148