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4120557 = 37228031
BaseRepresentation
bin1111101101111111101101
321202100100020
433231333231
52023324212
6224152353
750011200
oct17557755
97670306
104120557
112364921
1214686b9
13b136cc
14793937
15565d8c
hex3edfed

4120557 has 12 divisors (see below), whose sum is σ = 6391296. Its totient is φ = 2354520.

The previous prime is 4120553. The next prime is 4120559. The reversal of 4120557 is 7550214.

It is not a de Polignac number, because 4120557 - 22 = 4120553 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

4120557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13869 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (532608).

Almost surely, 24120557 is an apocalyptic number.

It is an amenable number.

4120557 is a deficient number, since it is larger than the sum of its proper divisors (2270739).

4120557 is a wasteful number, since it uses less digits than its factorization.

4120557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048 (or 28041 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 4120557 is about 2029.9155154833. The cubic root of 4120557 is about 160.3191157133.

The spelling of 4120557 in words is "four million, one hundred twenty thousand, five hundred fifty-seven".

Divisors: 1 3 7 21 49 147 28031 84093 196217 588651 1373519 4120557