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152525530 = 2517289593
BaseRepresentation
bin10010001011101…
…01101011011010
3101122000002200201
421011311223122
5303021304110
623045052414
73531305563
oct1105655332
9348002621
10152525530
1179107763
12430b710a
13257a45c1
141638516a
15d5ccb3a
hex9175ada

152525530 has 48 divisors (see below), whose sum is σ = 295419960. Its totient is φ = 56680448.

The previous prime is 152525519. The next prime is 152525551. The reversal of 152525530 is 35525251.

It can be written as a sum of positive squares in 12 ways, for example, as 36252441 + 116273089 = 6021^2 + 10783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256914 + ... + 257506.

Almost surely, 2152525530 is an apocalyptic number.

152525530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152525530 is a deficient number, since it is larger than the sum of its proper divisors (142894430).

152525530 is a wasteful number, since it uses less digits than its factorization.

152525530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 152525530 is about 12350.1226714555. The cubic root of 152525530 is about 534.2946771420.

The spelling of 152525530 in words is "one hundred fifty-two million, five hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 85 89 170 178 289 445 578 593 890 1186 1445 1513 2890 2965 3026 5930 7565 10081 15130 20162 25721 50405 51442 52777 100810 105554 128605 171377 257210 263885 342754 527770 856885 897209 1713770 1794418 4486045 8972090 15252553 30505106 76262765 152525530