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4052557 = 15312647
BaseRepresentation
bin1111011101011001001101
321121220001201
433131121031
52014140212
6222505501
746306015
oct17353115
97556051
104052557
112318823
121435291
13abb782
14776c45
15550b57
hex3dd64d

4052557 has 4 divisors (see below), whose sum is σ = 4056736. Its totient is φ = 4048380.

The previous prime is 4052551. The next prime is 4052561. The reversal of 4052557 is 7552504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4052557 - 23 = 4052549 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 (4052551) 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, 208 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (1014184).

Almost surely, 24052557 is an apocalyptic number.

It is an amenable number.

4052557 is a deficient number, since it is larger than the sum of its proper divisors (4179).

4052557 is a wasteful number, since it uses less digits than its factorization.

4052557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 4052557 is about 2013.0963712649. The cubic root of 4052557 is about 159.4323242208.

The spelling of 4052557 in words is "four million, fifty-two thousand, five hundred fifty-seven".

Divisors: 1 1531 2647 4052557