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122303138 = 2163375163
BaseRepresentation
bin1110100101000…
…11001010100010
322112010122100212
413102203022202
5222302200023
620045214122
73013362626
oct722431242
9275118325
10122303138
1163045181
1234b61342
131c452329
1412359186
15ab0ce78
hex74a32a2

122303138 has 8 divisors (see below), whose sum is σ = 184580688. Its totient is φ = 60776244.

The previous prime is 122303131. The next prime is 122303141. The reversal of 122303138 is 831303221.

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 (122303131) 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, 187256 + ... + 187907.

It is an arithmetic number, because the mean of its divisors is an integer number (23072586).

Almost surely, 2122303138 is an apocalyptic number.

122303138 is a deficient number, since it is larger than the sum of its proper divisors (62277550).

122303138 is a wasteful number, since it uses less digits than its factorization.

122303138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375328.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 122303138 is about 11059.0749161040. The cubic root of 122303138 is about 496.3780097279.

Adding to 122303138 its reverse (831303221), we get a palindrome (953606359).

The spelling of 122303138 in words is "one hundred twenty-two million, three hundred three thousand, one hundred thirty-eight".

Divisors: 1 2 163 326 375163 750326 61151569 122303138