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4457530252 = 227159197509
BaseRepresentation
bin1000010011011000…
…01000001110001100
3102111122121222222001
410021230020032030
533112111432002
62014152202044
7215314245010
oct41154101614
912448558861
104457530252
1119881834aa
12a44999324
13560656a86
14304012540
151b14eea87
hex109b0838c

4457530252 has 12 divisors (see below), whose sum is σ = 8915060560. Its totient is φ = 1910370096.

The previous prime is 4457530247. The next prime is 4457530303. The reversal of 4457530252 is 2520357544.

4457530252 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79598727 + ... + 79598782.

Almost surely, 24457530252 is an apocalyptic number.

It is an amenable number.

4457530252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4457530252 is a wasteful number, since it uses less digits than its factorization.

4457530252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159197520 (or 159197518 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 4457530252 is about 66764.7380883053. The cubic root of 4457530252 is about 1645.7534206392.

Adding to 4457530252 its reverse (2520357544), we get a palindrome (6977887796).

The spelling of 4457530252 in words is "four billion, four hundred fifty-seven million, five hundred thirty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 159197509 318395018 636790036 1114382563 2228765126 4457530252