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305553052 = 227107101987
BaseRepresentation
bin10010001101100…
…101111010011100
3210021221200222201
4102031211322130
51111210144202
650153021244
710400105140
oct2215457234
9707850881
10305553052
11147527592
12863b4824
134b3c352c
142c81b220
151bc59387
hex12365e9c

305553052 has 24 divisors (see below), whose sum is σ = 616823424. Its totient is φ = 129726192.

The previous prime is 305553043. The next prime is 305553089. The reversal of 305553052 is 250355503.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 305553052.

It is a congruent number.

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, 47998 + ... + 53989.

It is an arithmetic number, because the mean of its divisors is an integer number (25700976).

Almost surely, 2305553052 is an apocalyptic number.

It is an amenable number.

305553052 is an abundant number, since it is smaller than the sum of its proper divisors (311270372).

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

305553052 is a wasteful number, since it uses less digits than its factorization.

305553052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102105 (or 102103 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 305553052 is about 17480.0758579590. The cubic root of 305553052 is about 673.5381638922.

The spelling of 305553052 in words is "three hundred five million, five hundred fifty-three thousand, fifty-two".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2996 101987 203974 407948 713909 1427818 2855636 10912609 21825218 43650436 76388263 152776526 305553052