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4157390 = 251921881
BaseRepresentation
bin1111110110111111001110
321211012212102
433312333032
52031014030
6225035102
750223446
oct17667716
97735772
104157390
11238a566
121485a92
13b273c3
147a3126
15571c45
hex3f6fce

4157390 has 16 divisors (see below), whose sum is σ = 7877520. Its totient is φ = 1575360.

The previous prime is 4157347. The next prime is 4157399. The reversal of 4157390 is 937514.

It is a super-2 number, since 2×41573902 = 34567783224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10751 + ... + 11130.

It is an arithmetic number, because the mean of its divisors is an integer number (492345).

Almost surely, 24157390 is an apocalyptic number.

4157390 is a deficient number, since it is larger than the sum of its proper divisors (3720130).

4157390 is a wasteful number, since it uses less digits than its factorization.

4157390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21907.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 4157390 is about 2038.9678761570. The cubic root of 4157390 is about 160.7953883895.

The spelling of 4157390 in words is "four million, one hundred fifty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 21881 43762 109405 218810 415739 831478 2078695 4157390