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242290401 = 3531818419
BaseRepresentation
bin11100111000100…
…00111011100001
3121212220121221120
432130100323201
5444011243101
640013042453
76001302003
oct1634207341
9555817846
10242290401
11114848401
1269186429
133b273502
1424270373
151640eb36
hexe710ee1

242290401 has 16 divisors (see below), whose sum is σ = 331007040. Its totient is φ = 157584960.

The previous prime is 242290387. The next prime is 242290429. The reversal of 242290401 is 104092242.

242290401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242290401 - 25 = 242290369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242290481) 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, 24570 + ... + 32988.

It is an arithmetic number, because the mean of its divisors is an integer number (20687940).

Almost surely, 2242290401 is an apocalyptic number.

It is an amenable number.

242290401 is a deficient number, since it is larger than the sum of its proper divisors (88716639).

242290401 is a wasteful number, since it uses less digits than its factorization.

242290401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 242290401 is about 15565.6802292736. The cubic root of 242290401 is about 623.4171368416.

The spelling of 242290401 in words is "two hundred forty-two million, two hundred ninety thousand, four hundred one".

Divisors: 1 3 53 159 181 543 8419 9593 25257 28779 446207 1338621 1523839 4571517 80763467 242290401