Search a number
-
+
1354515457 = 31167261641
BaseRepresentation
bin101000010111100…
…0100010000000001
310111101202111220011
41100233010100001
510233223443312
6342223544521
745365122441
oct12057042001
93441674804
101354515457
11635652569
1231975b141
13187814749
14cbc72121
157ddacda7
hex50bc4401

1354515457 has 8 divisors (see below), whose sum is σ = 1406587392. Its totient is φ = 1302967200.

The previous prime is 1354515439. The next prime is 1354515497. The reversal of 1354515457 is 7545154531.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-1354515457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354515427) 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, 125644 + ... + 135997.

It is an arithmetic number, because the mean of its divisors is an integer number (175823424).

Almost surely, 21354515457 is an apocalyptic number.

It is an amenable number.

1354515457 is a deficient number, since it is larger than the sum of its proper divisors (52071935).

1354515457 is a wasteful number, since it uses less digits than its factorization.

1354515457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261839.

The product of its digits is 210000, while the sum is 40.

The square root of 1354515457 is about 36803.7424319865. The cubic root of 1354515457 is about 1106.4403068728.

Adding to 1354515457 its reverse (7545154531), we get a palindrome (8899669988).

The spelling of 1354515457 in words is "one billion, three hundred fifty-four million, five hundred fifteen thousand, four hundred fifty-seven".

Divisors: 1 31 167 5177 261641 8110871 43694047 1354515457