Search a number
-
+
1074512257 = 71314298263
BaseRepresentation
bin100000000001011…
…1100000110000001
32202212212212201021
41000002330012001
54200033343012
6254342305441
735425126540
oct10002740601
92685785637
101074512257
11501596a65
1225ba28281
131417c8790
14a29c6157
15644ee007
hex400bc181

1074512257 has 16 divisors (see below), whose sum is σ = 1323562240. Its totient is φ = 849465792.

The previous prime is 1074512249. The next prime is 1074512267. The reversal of 1074512257 is 7522154701.

It is not a de Polignac number, because 1074512257 - 23 = 1074512249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1074512207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125908 + ... + 134170.

It is an arithmetic number, because the mean of its divisors is an integer number (82722640).

Almost surely, 21074512257 is an apocalyptic number.

It is an amenable number.

1074512257 is a deficient number, since it is larger than the sum of its proper divisors (249049983).

1074512257 is a wasteful number, since it uses less digits than its factorization.

1074512257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1074512257 is about 32779.7537666164. The cubic root of 1074512257 is about 1024.2448555012.

Adding to 1074512257 its reverse (7522154701), we get a palindrome (8596666958).

The spelling of 1074512257 in words is "one billion, seventy-four million, five hundred twelve thousand, two hundred fifty-seven".

Divisors: 1 7 13 91 1429 8263 10003 18577 57841 107419 130039 751933 11807827 82654789 153501751 1074512257