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115220402 = 2115237291
BaseRepresentation
bin1101101111000…
…01111110110010
322000210210200022
412313201332302
5213444023102
615233323442
72566233353
oct667417662
9260723608
10115220402
115a047880
1232706582
131ab4256b
1411433d2a
15a1ae5a2
hex6de1fb2

115220402 has 8 divisors (see below), whose sum is σ = 188542512. Its totient is φ = 52372900.

The previous prime is 115220401. The next prime is 115220419. The reversal of 115220402 is 204022511.

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 (115220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618624 + ... + 2618667.

It is an arithmetic number, because the mean of its divisors is an integer number (23567814).

Almost surely, 2115220402 is an apocalyptic number.

115220402 is a deficient number, since it is larger than the sum of its proper divisors (73322110).

115220402 is a wasteful number, since it uses less digits than its factorization.

115220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237304.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 115220402 is about 10734.0766719826. The cubic root of 115220402 is about 486.6048822756.

Adding to 115220402 its reverse (204022511), we get a palindrome (319242913).

It can be divided in two parts, 1152 and 20402, that multiplied together give a square (23503104 = 48482).

The spelling of 115220402 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred two".

Divisors: 1 2 11 22 5237291 10474582 57610201 115220402