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153205242 = 2347543281
BaseRepresentation
bin10010010000110…
…11100111111010
3101200021122002020
421020123213322
5303210031432
623111415310
73540136341
oct1110334772
9350248066
10153205242
1179531403
1243384536
1325981ab8
14164c0b58
15d6b422c
hex921b9fa

153205242 has 16 divisors (see below), whose sum is σ = 312930432. Its totient is φ = 49981760.

The previous prime is 153205229. The next prime is 153205267. The reversal of 153205242 is 242502351.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271359 + ... + 271922.

It is an arithmetic number, because the mean of its divisors is an integer number (19558152).

Almost surely, 2153205242 is an apocalyptic number.

153205242 is an abundant number, since it is smaller than the sum of its proper divisors (159725190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153205242 is a wasteful number, since it uses less digits than its factorization.

153205242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543333.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 153205242 is about 12377.6105125343. The cubic root of 153205242 is about 535.0871747777.

Adding to 153205242 its reverse (242502351), we get a palindrome (395707593).

The spelling of 153205242 in words is "one hundred fifty-three million, two hundred five thousand, two hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 543281 1086562 1629843 3259686 25534207 51068414 76602621 153205242