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303401412 = 223240121017
BaseRepresentation
bin10010000101011…
…000100111000100
3210010220101111100
4102011120213010
51110132321122
650034540100
710342604136
oct2205304704
9703811440
10303401412
11146297a76
1285737630
134ab1c082
142c41b056
151b981aac
hex121589c4

303401412 has 36 divisors (see below), whose sum is σ = 768880476. Its totient is φ = 100876800.

The previous prime is 303401387. The next prime is 303401453. The reversal of 303401412 is 214104303.

It can be written as a sum of positive squares in 2 ways, for example, as 140991876 + 162409536 = 11874^2 + 12744^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3928 + ... + 24944.

It is an arithmetic number, because the mean of its divisors is an integer number (21357791).

Almost surely, 2303401412 is an apocalyptic number.

It is an amenable number.

303401412 is an abundant number, since it is smaller than the sum of its proper divisors (465479064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303401412 is a wasteful number, since it uses less digits than its factorization.

303401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21428 (or 21423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303401412 is about 17418.4216276906. The cubic root of 303401412 is about 671.9534672286.

Adding to 303401412 its reverse (214104303), we get a palindrome (517505715).

The spelling of 303401412 in words is "three hundred three million, four hundred one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 401 802 1203 1604 2406 3609 4812 7218 14436 21017 42034 63051 84068 126102 189153 252204 378306 756612 8427817 16855634 25283451 33711268 50566902 75850353 101133804 151700706 303401412