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242881419 = 31118793917
BaseRepresentation
bin11100111101000…
…01001110001011
3121221000122200010
432132201032023
5444134201134
640033443003
76006313044
oct1636411613
9557018603
10242881419
11115111450
1269410463
133b41c521
14243858cb
15164c9ce9
hexe7a138b

242881419 has 16 divisors (see below), whose sum is σ = 353560320. Its totient is φ = 147084960.

The previous prime is 242881411. The next prime is 242881451. The reversal of 242881419 is 914188242.

It is not a de Polignac number, because 242881419 - 23 = 242881411 is a prime.

It is a super-2 number, since 2×2428814192 = 117982767390907122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242881411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60049 + ... + 63965.

It is an arithmetic number, because the mean of its divisors is an integer number (22097520).

Almost surely, 2242881419 is an apocalyptic number.

242881419 is a deficient number, since it is larger than the sum of its proper divisors (110678901).

242881419 is a wasteful number, since it uses less digits than its factorization.

242881419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810.

The product of its digits is 36864, while the sum is 39.

The square root of 242881419 is about 15584.6533166446. The cubic root of 242881419 is about 623.9236248774.

The spelling of 242881419 in words is "two hundred forty-two million, eight hundred eighty-one thousand, four hundred nineteen".

Divisors: 1 3 11 33 1879 3917 5637 11751 20669 43087 62007 129261 7360043 22080129 80960473 242881419