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230132402 = 2115066201
BaseRepresentation
bin11011011011110…
…00101010110010
3121001000221022022
431231320222302
5432403214102
634500311442
75463043643
oct1555705262
9531027268
10230132402
111089a3975
12650a2582
13388a7626
14227c76ca
151530c5a2
hexdb78ab2

230132402 has 4 divisors (see below), whose sum is σ = 345198606. Its totient is φ = 115066200.

The previous prime is 230132401. The next prime is 230132423. The reversal of 230132402 is 204231032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206813161 + 23319241 = 14381^2 + 4829^2 .

It is not an unprimeable number, because it can be changed into a prime (230132401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57533099 + ... + 57533102.

Almost surely, 2230132402 is an apocalyptic number.

230132402 is a deficient number, since it is larger than the sum of its proper divisors (115066204).

230132402 is a wasteful number, since it uses less digits than its factorization.

230132402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115066203.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230132402 is about 15170.1154247422. The cubic root of 230132402 is about 612.8101126824.

Adding to 230132402 its reverse (204231032), we get a palindrome (434363434).

The spelling of 230132402 in words is "two hundred thirty million, one hundred thirty-two thousand, four hundred two".

Divisors: 1 2 115066201 230132402