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152212530 = 23515133601
BaseRepresentation
bin10010001001010…
…01010000110010
3101121102012100010
421010221100302
5302431300110
623034235350
73525533211
oct1104512062
9347365303
10152212530
1178a13588
1242b85b56
13256c4cb2
1416303078
15d56a020
hex9129432

152212530 has 32 divisors (see below), whose sum is σ = 367740288. Its totient is φ = 40320000.

The previous prime is 152212523. The next prime is 152212531. The reversal of 152212530 is 35212251.

It is a junction number, because it is equal to n+sod(n) for n = 152212497 and 152212506.

It is not an unprimeable number, because it can be changed into a prime (152212531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12271 + ... + 21330.

It is an arithmetic number, because the mean of its divisors is an integer number (11491884).

Almost surely, 2152212530 is an apocalyptic number.

152212530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152212530 is an abundant number, since it is smaller than the sum of its proper divisors (215527758).

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

152212530 is a wasteful number, since it uses less digits than its factorization.

152212530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33762.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 152212530 is about 12337.4442247979. Note that the first 3 decimals coincide. The cubic root of 152212530 is about 533.9289487310.

Adding to 152212530 its reverse (35212251), we get a palindrome (187424781).

The spelling of 152212530 in words is "one hundred fifty-two million, two hundred twelve thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1510 2265 4530 33601 67202 100803 168005 201606 336010 504015 1008030 5073751 10147502 15221253 25368755 30442506 50737510 76106265 152212530