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395428030 = 2559670217
BaseRepresentation
bin10111100100011…
…100000010111110
31000120001211021121
4113210130002332
51302212144110
6103123221154
712541040254
oct2744340276
91016054247
10395428030
11193232a28
12b05177ba
1363c005aa
143a7345d4
1524aadcda
hex1791c0be

395428030 has 16 divisors (see below), whose sum is σ = 723835440. Its totient is φ = 155490112.

The previous prime is 395428009. The next prime is 395428031. The reversal of 395428030 is 30824593.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395428031) 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, 334519 + ... + 335698.

It is an arithmetic number, because the mean of its divisors is an integer number (45239715).

Almost surely, 2395428030 is an apocalyptic number.

395428030 is a deficient number, since it is larger than the sum of its proper divisors (328407410).

395428030 is a wasteful number, since it uses less digits than its factorization.

395428030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670283.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 395428030 is about 19885.3722620423. The cubic root of 395428030 is about 733.9883222954.

The spelling of 395428030 in words is "three hundred ninety-five million, four hundred twenty-eight thousand, thirty".

Divisors: 1 2 5 10 59 118 295 590 670217 1340434 3351085 6702170 39542803 79085606 197714015 395428030