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303423141 = 37219108637
BaseRepresentation
bin10010000101011…
…101111010100101
3210010221111022010
4102011131322211
51110134020031
650035224433
710343024400
oct2205357245
9703844263
10303423141
1114630232a
1285748119
134ab28c28
142c424d37
151b988246
hex1215dea5

303423141 has 24 divisors (see below), whose sum is σ = 495389280. Its totient is φ = 164257632.

The previous prime is 303423137. The next prime is 303423149. The reversal of 303423141 is 141324303.

It is not a de Polignac number, because 303423141 - 22 = 303423137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303423149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51526 + ... + 57111.

It is an arithmetic number, because the mean of its divisors is an integer number (20641220).

Almost surely, 2303423141 is an apocalyptic number.

It is an amenable number.

303423141 is a deficient number, since it is larger than the sum of its proper divisors (191966139).

303423141 is a wasteful number, since it uses less digits than its factorization.

303423141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108673 (or 108666 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 303423141 is about 17419.0453527167. The cubic root of 303423141 is about 671.9695081651.

Adding to 303423141 its reverse (141324303), we get a palindrome (444747444).

The spelling of 303423141 in words is "three hundred three million, four hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 3 7 19 21 49 57 133 147 399 931 2793 108637 325911 760459 2064103 2281377 5323213 6192309 14448721 15969639 43346163 101141047 303423141