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390418030 = 25311259413
BaseRepresentation
bin10111010001010…
…100111001101110
31000012122021212001
4113101110321232
51244421334110
6102424002514
712450332662
oct2721247156
91005567761
10390418030
11190420932
12aa90043a
1362b680b2
1439bcc8a2
152441e63a
hex17454e6e

390418030 has 16 divisors (see below), whose sum is σ = 725422464. Its totient is φ = 151129440.

The previous prime is 390418019. The next prime is 390418033. The reversal of 390418030 is 30814093.

It is a self number, because there is not a number n which added to its sum of digits gives 390418030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390418033) 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, 629397 + ... + 630016.

It is an arithmetic number, because the mean of its divisors is an integer number (45338904).

Almost surely, 2390418030 is an apocalyptic number.

390418030 is a deficient number, since it is larger than the sum of its proper divisors (335004434).

390418030 is a wasteful number, since it uses less digits than its factorization.

390418030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259451.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 390418030 is about 19758.9987094488. The cubic root of 390418030 is about 730.8753058349.

The spelling of 390418030 in words is "three hundred ninety million, four hundred eighteen thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 1259413 2518826 6297065 12594130 39041803 78083606 195209015 390418030