Search a number
-
+
2575204742 = 211591983979
BaseRepresentation
bin1001100101111110…
…1000000110000110
320122110200221210102
42121133220012012
520233223022432
61103311324102
7120546610355
oct23137500606
96573627712
102575204742
1111016aa490
125ba520632
133206a0cb6
141a602999c
15101133962
hex997e8186

2575204742 has 16 divisors (see below), whose sum is σ = 4285396800. Its totient is φ = 1150707240.

The previous prime is 2575204741. The next prime is 2575204747. The reversal of 2575204742 is 2474025752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2575204696 and 2575204705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575204741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990692 + ... + 993287.

It is an arithmetic number, because the mean of its divisors is an integer number (267837300).

Almost surely, 22575204742 is an apocalyptic number.

2575204742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2575204742 is a deficient number, since it is larger than the sum of its proper divisors (1710192058).

2575204742 is a wasteful number, since it uses less digits than its factorization.

2575204742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984051.

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 2575204742 is about 50746.4751682321. The cubic root of 2575204742 is about 1370.6837196739.

It can be divided in two parts, 257520 and 4742, that added together give a palindrome (262262).

The spelling of 2575204742 in words is "two billion, five hundred seventy-five million, two hundred four thousand, seven hundred forty-two".

Divisors: 1 2 11 22 59 118 649 1298 1983979 3967958 21823769 43647538 117054761 234109522 1287602371 2575204742