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1230525552 = 243171507997
BaseRepresentation
bin100100101011000…
…0101010001110000
310011202110011201110
41021112011101300
510010003304202
6322034233320
742331203024
oct11126052160
93152404643
101230525552
11581666073
122a4125840
13167c21739
14b95d8384
157306a26c
hex49585470

1230525552 has 40 divisors (see below), whose sum is σ = 3365851536. Its totient is φ = 386046976.

The previous prime is 1230525533. The next prime is 1230525577. The reversal of 1230525552 is 2555250321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753183 + ... + 754814.

Almost surely, 21230525552 is an apocalyptic number.

1230525552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230525552 is an abundant number, since it is smaller than the sum of its proper divisors (2135325984).

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

1230525552 is a wasteful number, since it uses less digits than its factorization.

1230525552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508025 (or 1508019 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1230525552 is about 35078.8476435586. The cubic root of 1230525552 is about 1071.5938490733.

Adding to 1230525552 its reverse (2555250321), we get a palindrome (3785775873).

The spelling of 1230525552 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 1507997 3015994 4523991 6031988 9047982 12063976 18095964 24127952 25635949 36191928 51271898 72383856 76907847 102543796 153815694 205087592 307631388 410175184 615262776 1230525552