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1307302452 = 223253685169
BaseRepresentation
bin100110111101011…
…1101101000110100
310101002220211211100
41031322331220310
510134132134302
6333420010100
744252613261
oct11572755064
93332824740
101307302452
11610a35755
12305990930
1317aac3a61
14c58a2268
1579b83d1c
hex4debda34

1307302452 has 36 divisors (see below), whose sum is σ = 3366925380. Its totient is φ = 427544832.

The previous prime is 1307302427. The next prime is 1307302483. The reversal of 1307302452 is 2542037031.

1307302452 is a `hidden beast` number, since 1 + 307 + 302 + 4 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1094551056 + 212751396 = 33084^2 + 14586^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340677 + ... + 344492.

It is an arithmetic number, because the mean of its divisors is an integer number (93525705).

Almost surely, 21307302452 is an apocalyptic number.

1307302452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1307302452 is an abundant number, since it is smaller than the sum of its proper divisors (2059622928).

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

1307302452 is a wasteful number, since it uses less digits than its factorization.

1307302452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685232 (or 685227 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1307302452 is about 36156.6377308510. The cubic root of 1307302452 is about 1093.4326183467.

Adding to 1307302452 its reverse (2542037031), we get a palindrome (3849339483).

The spelling of 1307302452 in words is "one billion, three hundred seven million, three hundred two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 685169 1370338 2055507 2740676 4111014 6166521 8222028 12333042 24666084 36313957 72627914 108941871 145255828 217883742 326825613 435767484 653651226 1307302452