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303401442 = 23106947303
BaseRepresentation
bin10010000101011…
…000100111100010
3210010220101112110
4102011120213202
51110132321232
650034540150
710342604211
oct2205304742
9703811473
10303401442
11146297aa3
1285737656
134ab1c0a6
142c41b078
151b981acc
hex121589e2

303401442 has 16 divisors (see below), whose sum is σ = 607383360. Its totient is φ = 101037072.

The previous prime is 303401387. The next prime is 303401453. The reversal of 303401442 is 244104303.

It is a super-3 number, since 3×3034014423 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17238 + ... + 30065.

It is an arithmetic number, because the mean of its divisors is an integer number (37961460).

Almost surely, 2303401442 is an apocalyptic number.

303401442 is an abundant number, since it is smaller than the sum of its proper divisors (303981918).

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

303401442 is a wasteful number, since it uses less digits than its factorization.

303401442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48377.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 303401442 is about 17418.4224888478. The cubic root of 303401442 is about 671.9534893759.

Adding to 303401442 its reverse (244104303), we get a palindrome (547505745).

The spelling of 303401442 in words is "three hundred three million, four hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 1069 2138 3207 6414 47303 94606 141909 283818 50566907 101133814 151700721 303401442