Search a number
-
+
1436680949 = 11604321613
BaseRepresentation
bin101010110100010…
…0000001011110101
310201010100221202112
41111220200023311
510420242242244
6354321020405
750413405124
oct12550401365
93633327675
101436680949
11677a72730
12341184705
1319b852692
14d8b3dabb
15861dd39e
hex55a202f5

1436680949 has 8 divisors (see below), whose sum is σ = 1567620192. Its totient is φ = 1305797040.

The previous prime is 1436680943. The next prime is 1436680961. The reversal of 1436680949 is 9490866341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1436680949 - 228 = 1168245493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1436680897 and 1436680906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436680943) 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, 55667 + ... + 77279.

It is an arithmetic number, because the mean of its divisors is an integer number (195952524).

Almost surely, 21436680949 is an apocalyptic number.

It is an amenable number.

1436680949 is a deficient number, since it is larger than the sum of its proper divisors (130939243).

1436680949 is a wasteful number, since it uses less digits than its factorization.

1436680949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27667.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 1436680949 is about 37903.5743565168. The cubic root of 1436680949 is about 1128.3749709590.

The spelling of 1436680949 in words is "one billion, four hundred thirty-six million, six hundred eighty thousand, nine hundred forty-nine".

Divisors: 1 11 6043 21613 66473 237743 130607359 1436680949