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818424412 = 2213210111987
BaseRepresentation
bin110000110010000…
…010101001011100
32010001000021020021
4300302002221130
53134004040122
6213113401524
726165331001
oct6062025134
92101007207
10818424412
1138aa85413
121aa1092a4
13100734100
147a9a38a8
154bcb61c7
hex30c82a5c

818424412 has 36 divisors (see below), whose sum is σ = 1566376056. Its totient is φ = 373963200.

The previous prime is 818424407. The next prime is 818424419. The reversal of 818424412 is 214424818.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818424419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62283 + ... + 74269.

It is an arithmetic number, because the mean of its divisors is an integer number (43510446).

Almost surely, 2818424412 is an apocalyptic number.

It is an amenable number.

818424412 is a deficient number, since it is larger than the sum of its proper divisors (747951644).

818424412 is a wasteful number, since it uses less digits than its factorization.

818424412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118 (or 12103 counting only the distinct ones).

The product of its digits is 16384, while the sum is 34.

The square root of 818424412 is about 28608.1179387949. The cubic root of 818424412 is about 935.3902922247.

The spelling of 818424412 in words is "eight hundred eighteen million, four hundred twenty-four thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 101 169 202 338 404 676 1313 2626 5252 11987 17069 23974 34138 47948 68276 155831 311662 623324 1210687 2025803 2421374 4051606 4842748 8103212 15738931 31477862 62955724 204606103 409212206 818424412