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242549476 = 221325992
BaseRepresentation
bin11100111010100…
…00001011100100
3121220101210022221
432131100023210
5444043040401
640022402124
76003431221
oct1635201344
9556353287
10242549476
11114a05014
1269290344
133b334400
14242da948
15164617a1
hexe7502e4

242549476 has 27 divisors (see below), whose sum is σ = 460392681. Its totient is φ = 111759024.

The previous prime is 242549473. The next prime is 242549491. The reversal of 242549476 is 674945242.

The square root of 242549476 is 15574.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 206669376 = 5990^2 + 14376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242549471) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 404625 + ... + 405223.

Almost surely, 2242549476 is an apocalyptic number.

242549476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242549476 is the 15574-th square number.

It is an amenable number.

242549476 is a deficient number, since it is larger than the sum of its proper divisors (217843205).

242549476 is an equidigital number, since it uses as much as digits as its factorization.

242549476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 614 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The cubic root of 242549476 is about 623.6392590847.

The spelling of 242549476 in words is "two hundred forty-two million, five hundred forty-nine thousand, four hundred seventy-six".

Divisors: 1 2 4 13 26 52 169 338 599 676 1198 2396 7787 15574 31148 101231 202462 358801 404924 717602 1435204 4664413 9328826 18657652 60637369 121274738 242549476