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274478472 = 23323812201
BaseRepresentation
bin10000010111000…
…011010110001000
3201010110221200100
4100113003112020
51030231302342
643123005400
76542012532
oct2027032610
9633427610
10274478472
11130a32814
1277b09860
1344b333c8
142864c852
151916be4c
hex105c3588

274478472 has 24 divisors (see below), whose sum is σ = 743379390. Its totient is φ = 91492800.

The previous prime is 274478461. The next prime is 274478473. The reversal of 274478472 is 274874472.

It can be written as a sum of positive squares in only one way, i.e., 274034916 + 443556 = 16554^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (274478473) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1906029 + ... + 1906172.

Almost surely, 2274478472 is an apocalyptic number.

It is an amenable number.

274478472 is an abundant number, since it is smaller than the sum of its proper divisors (468900918).

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

274478472 is a wasteful number, since it uses less digits than its factorization.

274478472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812213 (or 3812206 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 274478472 is about 16567.3918285287. The cubic root of 274478472 is about 649.8843754887.

The spelling of 274478472 in words is "two hundred seventy-four million, four hundred seventy-eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3812201 7624402 11436603 15248804 22873206 30497608 34309809 45746412 68619618 91492824 137239236 274478472