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7438529452 = 2217234756093
BaseRepresentation
bin1101110110101111…
…01111001110101100
3201012101220110002211
412323113233032230
5110213230420302
63230041300204
7352222312534
oct67327571654
921171813084
107438529452
113177946302
121537194664
13917117923
14507cb04c4
152d808dad7
hex1bb5ef3ac

7438529452 has 24 divisors (see below), whose sum is σ = 14382428256. Its totient is φ = 3348288768.

The previous prime is 7438529447. The next prime is 7438529459. The reversal of 7438529452 is 2549258347.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7438529396 and 7438529405.

It is not an unprimeable number, because it can be changed into a prime (7438529459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376483 + ... + 2379610.

It is an arithmetic number, because the mean of its divisors is an integer number (599267844).

Almost surely, 27438529452 is an apocalyptic number.

It is an amenable number.

7438529452 is a deficient number, since it is larger than the sum of its proper divisors (6943898804).

7438529452 is a wasteful number, since it uses less digits than its factorization.

7438529452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756137 (or 4756135 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 7438529452 is about 86246.9098113086. The cubic root of 7438529452 is about 1952.0713866188.

The spelling of 7438529452 in words is "seven billion, four hundred thirty-eight million, five hundred twenty-nine thousand, four hundred fifty-two".

Divisors: 1 2 4 17 23 34 46 68 92 391 782 1564 4756093 9512186 19024372 80853581 109390139 161707162 218780278 323414324 437560556 1859632363 3719264726 7438529452