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4192257 = 36720857
BaseRepresentation
bin1111111111100000000001
321212222200210
433333200001
52033123012
6225504333
750430216
oct17774001
97788623
104192257
112403783
1214a20a9
13b3a234
147b1b0d
1557c23c
hex3ff801

4192257 has 8 divisors (see below), whose sum is σ = 5673376. Its totient is φ = 2752992.

The previous prime is 4192231. The next prime is 4192261. The reversal of 4192257 is 7522914.

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

It is not a de Polignac number, because 4192257 - 27 = 4192129 is a prime.

It is the 2048-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4192267) by changing a digit.

It is a nontrivial repunit in base 2047.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10228 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (709172).

It is a Proth number, since it is equal to 2047 ⋅ 211 + 1 and 2047 < 211.

Almost surely, 24192257 is an apocalyptic number.

It is an amenable number.

4192257 is a deficient number, since it is larger than the sum of its proper divisors (1481119).

4192257 is a wasteful number, since it uses less digits than its factorization.

4192257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927.

The product of its digits is 5040, while the sum is 30.

The square root of 4192257 is about 2047.5001831502. The cubic root of 4192257 is about 161.2436545787.

The spelling of 4192257 in words is "four million, one hundred ninety-two thousand, two hundred fifty-seven".

Divisors: 1 3 67 201 20857 62571 1397419 4192257