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231041402 = 2233495797
BaseRepresentation
bin11011100010101…
…10100101111010
3121002202010012222
431301112211322
5433121311102
634532004042
75503551044
oct1561264572
9532663188
10231041402
11109464909
1265460622
1338b352b7
1422982a94
151543baa2
hexdc5697a

231041402 has 8 divisors (see below), whose sum is σ = 348050196. Its totient is φ = 115024672.

The previous prime is 231041401. The next prime is 231041453. The reversal of 231041402 is 204140132.

It can be written as a sum of positive squares in 2 ways, for example, as 230098561 + 942841 = 15169^2 + 971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (231041401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247433 + ... + 248364.

Almost surely, 2231041402 is an apocalyptic number.

231041402 is a deficient number, since it is larger than the sum of its proper divisors (117008794).

231041402 is a wasteful number, since it uses less digits than its factorization.

231041402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496032.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231041402 is about 15200.0461183511. The cubic root of 231041402 is about 613.6158989306.

Adding to 231041402 its reverse (204140132), we get a palindrome (435181534).

The spelling of 231041402 in words is "two hundred thirty-one million, forty-one thousand, four hundred two".

Divisors: 1 2 233 466 495797 991594 115520701 231041402