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152205312 = 211373539
BaseRepresentation
bin10010001001001…
…11100000000000
3101121101211102210
421010213200000
5302431032222
623034142120
73525503160
oct1104474000
9347354383
10152205312
1178a09116
1242b81940
13256c191c
14163005a0
15d567d0c
hex9127800

152205312 has 96 divisors (see below), whose sum is σ = 463881600. Its totient is φ = 43474944.

The previous prime is 152205293. The next prime is 152205323. The reversal of 152205312 is 213502251.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 41239 + ... + 44777.

It is an arithmetic number, because the mean of its divisors is an integer number (4832100).

Almost surely, 2152205312 is an apocalyptic number.

152205312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152205312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231940800).

152205312 is an abundant number, since it is smaller than the sum of its proper divisors (311676288).

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

152205312 is an equidigital number, since it uses as much as digits as its factorization.

152205312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3551 counting only the distinct ones).

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

The square root of 152205312 is about 12337.1516972112. The cubic root of 152205312 is about 533.9205088650.

Adding to 152205312 its reverse (213502251), we get a palindrome (365707563).

The spelling of 152205312 in words is "one hundred fifty-two million, two hundred five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2048 2688 3072 3539 3584 5376 6144 7078 7168 10617 10752 14156 14336 21234 21504 24773 28312 42468 43008 49546 56624 74319 84936 99092 113248 148638 169872 198184 226496 297276 339744 396368 452992 594552 679488 792736 905984 1189104 1358976 1585472 1811968 2378208 2717952 3170944 3623936 4756416 5435904 6341888 7247872 9512832 10871808 12683776 19025664 21743616 25367552 38051328 50735104 76102656 152205312