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5401915 = 51080383
BaseRepresentation
bin10100100110110100111011
3101011110000221
4110212310323
52340330130
6311440511
763626011
oct24466473
911143027
105401915
11305a5a2
121986137
1311719cc
14a088b1
1571a87a
hex526d3b

5401915 has 4 divisors (see below), whose sum is σ = 6482304. Its totient is φ = 4321528.

The previous prime is 5401901. The next prime is 5401951. The reversal of 5401915 is 5191045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5191045 = 51038209.

It is a cyclic number.

It is not a de Polignac number, because 5401915 - 27 = 5401787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5401915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540187 + ... + 540196.

It is an arithmetic number, because the mean of its divisors is an integer number (1620576).

Almost surely, 25401915 is an apocalyptic number.

5401915 is a deficient number, since it is larger than the sum of its proper divisors (1080389).

5401915 is a wasteful number, since it uses less digits than its factorization.

5401915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080388.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 5401915 is about 2324.2020135952. The cubic root of 5401915 is about 175.4618007083.

The spelling of 5401915 in words is "five million, four hundred one thousand, nine hundred fifteen".

Divisors: 1 5 1080383 5401915