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384070025 = 5215362801
BaseRepresentation
bin10110111001000…
…111000110001001
3222202200210000202
4112321013012021
51241310220100
6102035541545
712342353453
oct2671070611
9882623022
10384070025
11187885549
12a875a8b5
1361754891
14390192d3
1523ab87d5
hex16e47189

384070025 has 6 divisors (see below), whose sum is σ = 476246862. Its totient is φ = 307256000.

The previous prime is 384070021. The next prime is 384070039. The reversal of 384070025 is 520070483.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5067001 + 379003024 = 2251^2 + 19468^2 .

It is not a de Polignac number, because 384070025 - 22 = 384070021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384070025.

It is not an unprimeable number, because it can be changed into a prime (384070021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7681376 + ... + 7681425.

It is an arithmetic number, because the mean of its divisors is an integer number (79374477).

Almost surely, 2384070025 is an apocalyptic number.

It is an amenable number.

384070025 is a deficient number, since it is larger than the sum of its proper divisors (92176837).

384070025 is a wasteful number, since it uses less digits than its factorization.

384070025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362811 (or 15362806 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 384070025 is about 19597.7045849763. The cubic root of 384070025 is about 726.8924163466.

The spelling of 384070025 in words is "three hundred eighty-four million, seventy thousand, twenty-five".

Divisors: 1 5 25 15362801 76814005 384070025