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385805464 = 23114384153
BaseRepresentation
bin10110111111101…
…110110010011000
3222212221221121021
4112333232302120
51242231233324
6102141052224
712363202162
oct2677566230
9885857537
10385805464
111888603a0
12a9257074
1361c11775
143934b932
1523d0cae4
hex16feec98

385805464 has 16 divisors (see below), whose sum is σ = 789147720. Its totient is φ = 175366080.

The previous prime is 385805461. The next prime is 385805467. The reversal of 385805464 is 464508583.

It is an interprime number because it is at equal distance from previous prime (385805461) and next prime (385805467).

It is a self number, because there is not a number n which added to its sum of digits gives 385805464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385805461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191989 + ... + 2192164.

Almost surely, 2385805464 is an apocalyptic number.

It is an amenable number.

385805464 is an abundant number, since it is smaller than the sum of its proper divisors (403342256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385805464 is a wasteful number, since it uses less digits than its factorization.

385805464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384170 (or 4384166 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 385805464 is about 19641.9312696079. The cubic root of 385805464 is about 727.9856043122.

It can be divided in two parts, 38580 and 5464, that added together give a palindrome (44044).

The spelling of 385805464 in words is "three hundred eighty-five million, eight hundred five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 4384153 8768306 17536612 35073224 48225683 96451366 192902732 385805464