Search a number
-
+
1353327649 = 1971227771
BaseRepresentation
bin101000010101010…
…0010010000100001
310111022112011112021
41100222202100201
510232422441044
6342142301441
745352044442
oct12052422041
93438464467
101353327649
11634a11103
12319287881
131874b9bbb
14cba432c9
157dc25e84
hex50aa2421

1353327649 has 4 divisors (see below), whose sum is σ = 1424555440. Its totient is φ = 1282099860.

The previous prime is 1353327643. The next prime is 1353327667. The reversal of 1353327649 is 9467233531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1353327649 - 25 = 1353327617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353327643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35613867 + ... + 35613904.

It is an arithmetic number, because the mean of its divisors is an integer number (356138860).

Almost surely, 21353327649 is an apocalyptic number.

1353327649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1353327649 is a deficient number, since it is larger than the sum of its proper divisors (71227791).

1353327649 is an equidigital number, since it uses as much as digits as its factorization.

1353327649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71227790.

The product of its digits is 408240, while the sum is 43.

The square root of 1353327649 is about 36787.6018381193. The cubic root of 1353327649 is about 1106.1167906931.

The spelling of 1353327649 in words is "one billion, three hundred fifty-three million, three hundred twenty-seven thousand, six hundred forty-nine".

Divisors: 1 19 71227771 1353327649