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4957745 = 51389857
BaseRepresentation
bin10010111010011000110001
3100022212202012
4102322120301
52232121440
6254132305
760066032
oct22723061
910285665
104957745
112886911
1217b1095
1310477a0
14930a89
1567de65
hex4ba631

4957745 has 16 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 3615744.

The previous prime is 4957739. The next prime is 4957747. The reversal of 4957745 is 5477594.

It can be written as a sum of positive squares in 8 ways, for example, as 152881 + 4804864 = 391^2 + 2192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4957745 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4957747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5357 + ... + 6213.

It is an arithmetic number, because the mean of its divisors is an integer number (405405).

Almost surely, 24957745 is an apocalyptic number.

It is an amenable number.

4957745 is a deficient number, since it is larger than the sum of its proper divisors (1528735).

4957745 is a wasteful number, since it uses less digits than its factorization.

4957745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 176400, while the sum is 41.

The square root of 4957745 is about 2226.5994251324. The cubic root of 4957745 is about 170.5145310870.

The spelling of 4957745 in words is "four million, nine hundred fifty-seven thousand, seven hundred forty-five".

Divisors: 1 5 13 65 89 445 857 1157 4285 5785 11141 55705 76273 381365 991549 4957745