Search a number
-
+
1140513421 = 29474571831
BaseRepresentation
bin100001111111010…
…1101101010001101
32221111002002021211
41003332231222031
54313432412141
6305101054421
740156130005
oct10376555215
92844062254
101140513421
11535876683
12279b57411
13152397118
14ab687005
156a1d9d81
hex43fada8d

1140513421 has 16 divisors (see below), whose sum is σ = 1208240640. Its totient is φ = 1074810240.

The previous prime is 1140513403. The next prime is 1140513433. The reversal of 1140513421 is 1243150411.

It is a cyclic number.

It is not a de Polignac number, because 1140513421 - 25 = 1140513389 is a prime.

It is a super-2 number, since 2×11405134212 = 2601541726962246482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140513392 and 1140513401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140517421) 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, 621976 + ... + 623806.

It is an arithmetic number, because the mean of its divisors is an integer number (75515040).

Almost surely, 21140513421 is an apocalyptic number.

It is an amenable number.

1140513421 is a deficient number, since it is larger than the sum of its proper divisors (67727219).

1140513421 is a wasteful number, since it uses less digits than its factorization.

1140513421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1140513421 is about 33771.4882852385. The cubic root of 1140513421 is about 1044.8007284692.

Adding to 1140513421 its reverse (1243150411), we get a palindrome (2383663832).

The spelling of 1140513421 in words is "one billion, one hundred forty million, five hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 29 47 457 1363 1831 13253 21479 53099 86057 622891 836767 2495653 24266243 39328049 1140513421