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396182469 = 31272234663
BaseRepresentation
bin10111100111010…
…100001111000101
31000121111011011210
4113213110033011
51302410314334
6103151322033
712550331634
oct2747241705
91017434153
10396182469
111936a8831
12b0820319
1364105ac7
143a88d51b
1524bac5e9
hex179d43c5

396182469 has 16 divisors (see below), whose sum is σ = 534904832. Its totient is φ = 260810928.

The previous prime is 396182459. The next prime is 396182483. The reversal of 396182469 is 964281693.

It is not a de Polignac number, because 396182469 - 24 = 396182453 is a prime.

It is a super-2 number, since 2×3961824692 = 313921097485871922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396182459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82632 + ... + 87294.

It is an arithmetic number, because the mean of its divisors is an integer number (33431552).

Almost surely, 2396182469 is an apocalyptic number.

It is an amenable number.

396182469 is a deficient number, since it is larger than the sum of its proper divisors (138722363).

396182469 is a wasteful number, since it uses less digits than its factorization.

396182469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its digits is 559872, while the sum is 48.

The square root of 396182469 is about 19904.3329202463. The cubic root of 396182469 is about 734.4548190025.

The spelling of 396182469 in words is "three hundred ninety-six million, one hundred eighty-two thousand, four hundred sixty-nine".

Divisors: 1 3 127 223 381 669 4663 13989 28321 84963 592201 1039849 1776603 3119547 132060823 396182469