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2401291 = 31711091
BaseRepresentation
bin1001001010010000001011
311111222221201
421022100023
51103320131
6123245031
726260564
oct11122013
94458851
102401291
1113a0142
12979777
13660ca9
1446716b
15326761
hex24a40b

2401291 has 8 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 2289000.

The previous prime is 2401279. The next prime is 2401303. The reversal of 2401291 is 1921042.

2401291 = T378 + T379 + ... + T408.

It is an interprime number because it is at equal distance from previous prime (2401279) and next prime (2401303).

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 2401291 - 29 = 2400779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401211) 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, 1656 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

22401291 is an apocalyptic number.

2401291 is a deficient number, since it is larger than the sum of its proper divisors (114677).

2401291 is a wasteful number, since it uses less digits than its factorization.

2401291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2401291 is about 1549.6099509231. The cubic root of 2401291 is about 133.9105923226.

Subtracting from 2401291 its reverse (1921042), we obtain a square (480249 = 6932).

The spelling of 2401291 in words is "two million, four hundred one thousand, two hundred ninety-one".

Divisors: 1 31 71 1091 2201 33821 77461 2401291