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4074157 = 19720681
BaseRepresentation
bin1111100010101010101101
321122222200201
433202222231
52020333112
6223153501
746426003
oct17425255
97588621
104074157
112332a7a
121445891
13ac8559
14780a73
15557257
hex3e2aad

4074157 has 4 divisors (see below), whose sum is σ = 4095036. Its totient is φ = 4053280.

The previous prime is 4074149. The next prime is 4074167. The reversal of 4074157 is 7514704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 1705636 = 1539^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4074157 - 23 = 4074149 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 (4074137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10144 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (1023759).

Almost surely, 24074157 is an apocalyptic number.

It is an amenable number.

4074157 is a deficient number, since it is larger than the sum of its proper divisors (20879).

4074157 is a wasteful number, since it uses less digits than its factorization.

4074157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 4074157 is about 2018.4541114427. The cubic root of 4074157 is about 159.7150788633.

The spelling of 4074157 in words is "four million, seventy-four thousand, one hundred fifty-seven".

Divisors: 1 197 20681 4074157