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1409497487 = 15718774783
BaseRepresentation
bin101010000000011…
…0011100110001111
310122020012220001122
41110000303212033
510341312404422
6351510231155
746633350056
oct12400634617
93566186048
101409497487
11663696362
123340554bb
131960256a8
14d52a539d
1583b1dd42
hex5403398f

1409497487 has 8 divisors (see below), whose sum is σ = 1419527616. Its totient is φ = 1399480992.

The previous prime is 1409497471. The next prime is 1409497493. The reversal of 1409497487 is 7847949041.

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 1409497487 - 24 = 1409497471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409497447) 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, 292298 + ... + 297080.

It is an arithmetic number, because the mean of its divisors is an integer number (177440952).

Almost surely, 21409497487 is an apocalyptic number.

1409497487 is a deficient number, since it is larger than the sum of its proper divisors (10030129).

1409497487 is a wasteful number, since it uses less digits than its factorization.

1409497487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 1409497487 is about 37543.2748571565. The cubic root of 1409497487 is about 1121.2129416166.

The spelling of 1409497487 in words is "one billion, four hundred nine million, four hundred ninety-seven thousand, four hundred eighty-seven".

Divisors: 1 157 1877 4783 294689 750931 8977691 1409497487