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215063242 = 2195659559
BaseRepresentation
bin11001101000110…
…01101011001010
3112222200100022021
430310121223022
5420024010432
633201315054
75221002352
oct1464315312
9488610267
10215063242
11100441219
1260035a8a
133572c674
14207c3b62
1513d32697
hexcd19aca

215063242 has 8 divisors (see below), whose sum is σ = 339573600. Its totient is φ = 101872044.

The previous prime is 215063231. The next prime is 215063257. The reversal of 215063242 is 242360512.

215063242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829742 + ... + 2829817.

It is an arithmetic number, because the mean of its divisors is an integer number (42446700).

Almost surely, 2215063242 is an apocalyptic number.

215063242 is a deficient number, since it is larger than the sum of its proper divisors (124510358).

215063242 is a wasteful number, since it uses less digits than its factorization.

215063242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659580.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 215063242 is about 14665.0346743538. The cubic root of 215063242 is about 599.1313745714.

The spelling of 215063242 in words is "two hundred fifteen million, sixty-three thousand, two hundred forty-two".

Divisors: 1 2 19 38 5659559 11319118 107531621 215063242