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4057207 = 71152691
BaseRepresentation
bin1111011110100001110111
321122010102221
433132201313
52014312312
6222543211
746325410
oct17364167
97563387
104057207
112321270
121437b07
13ac091b
14778807
15552207
hex3de877

4057207 has 8 divisors (see below), whose sum is σ = 5058432. Its totient is φ = 3161400.

The previous prime is 4057199. The next prime is 4057211. The reversal of 4057207 is 7027504.

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

It is not a de Polignac number, because 4057207 - 23 = 4057199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26269 + ... + 26422.

It is an arithmetic number, because the mean of its divisors is an integer number (632304).

Almost surely, 24057207 is an apocalyptic number.

4057207 is a deficient number, since it is larger than the sum of its proper divisors (1001225).

4057207 is a wasteful number, since it uses less digits than its factorization.

4057207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52709.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 4057207 is about 2014.2509774107. The cubic root of 4057207 is about 159.4932797226.

The spelling of 4057207 in words is "four million, fifty-seven thousand, two hundred seven".

Divisors: 1 7 11 77 52691 368837 579601 4057207