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672530468 = 22168132617
BaseRepresentation
bin101000000101100…
…000000000100100
31201212111002100212
4220011200000210
52334131433333
6150422354552
722444262141
oct5005400044
91655432325
10672530468
11315698105
1216928ba58
13a944212c
14654673c8
153e098448
hex28160024

672530468 has 6 divisors (see below), whose sum is σ = 1176928326. Its totient is φ = 336265232.

The previous prime is 672530431. The next prime is 672530513. The reversal of 672530468 is 864035276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 587189824 + 85340644 = 24232^2 + 9238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84066305 + ... + 84066312.

It is an arithmetic number, because the mean of its divisors is an integer number (196154721).

Almost surely, 2672530468 is an apocalyptic number.

It is an amenable number.

672530468 is a deficient number, since it is larger than the sum of its proper divisors (504397858).

672530468 is a wasteful number, since it uses less digits than its factorization.

672530468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168132621 (or 168132619 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 672530468 is about 25933.1923989315. The cubic root of 672530468 is about 876.1342430299.

The spelling of 672530468 in words is "six hundred seventy-two million, five hundred thirty thousand, four hundred sixty-eight".

Divisors: 1 2 4 168132617 336265234 672530468