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2541401407 = 19793128399
BaseRepresentation
bin1001011101111010…
…1011010100111111
320120010002120100001
42113132223110333
520201044321112
61100103015131
7116656361356
oct22736532477
96503076301
102541401407
111094611546
125ab13a4a7
13316696b1c
141a174a99d
15ed1a7c57
hex977ab53f

2541401407 has 4 divisors (see below), whose sum is σ = 2541549600. Its totient is φ = 2541253216.

The previous prime is 2541401389. The next prime is 2541401453. The reversal of 2541401407 is 7041041452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2541401407 - 215 = 2541368639 is a prime.

It is a super-2 number, since 2×25414014072 = 12917442223003159298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541401507) 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, 44407 + ... + 83992.

It is an arithmetic number, because the mean of its divisors is an integer number (635387400).

Almost surely, 22541401407 is an apocalyptic number.

2541401407 is a deficient number, since it is larger than the sum of its proper divisors (148193).

2541401407 is a wasteful number, since it uses less digits than its factorization.

2541401407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148192.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2541401407 is about 50412.3140413134. The cubic root of 2541401407 is about 1364.6598743769.

Adding to 2541401407 its reverse (7041041452), we get a palindrome (9582442859).

The spelling of 2541401407 in words is "two billion, five hundred forty-one million, four hundred one thousand, four hundred seven".

Divisors: 1 19793 128399 2541401407