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202380242 = 2101190121
BaseRepresentation
bin11000001000000…
…01001111010010
3112002210222111112
430010001033102
5403302131432
632025413322
75005126601
oct1404011722
9462728445
10202380242
11a42692a9
125793a242
1332c0b82c
141cc41a38
1512b797b2
hexc1013d2

202380242 has 4 divisors (see below), whose sum is σ = 303570366. Its totient is φ = 101190120.

The previous prime is 202380187. The next prime is 202380253. The reversal of 202380242 is 242083202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242083202 = 2121041601.

It can be written as a sum of positive squares in only one way, i.e., 170015521 + 32364721 = 13039^2 + 5689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50595059 + ... + 50595062.

Almost surely, 2202380242 is an apocalyptic number.

202380242 is a deficient number, since it is larger than the sum of its proper divisors (101190124).

202380242 is a wasteful number, since it uses less digits than its factorization.

202380242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101190123.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 202380242 is about 14226.0409812428. The cubic root of 202380242 is about 587.1143611945.

The spelling of 202380242 in words is "two hundred two million, three hundred eighty thousand, two hundred forty-two".

Divisors: 1 2 101190121 202380242