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1452253212 = 223423533677
BaseRepresentation
bin101011010001111…
…1010000000011100
310202012200002220000
41112203322000130
510433234100322
6400034454300
750662643244
oct12643720034
93665602800
101452253212
11685839373
12346434390
131a1b45637
14dac34b24
15877673ac
hex568fa01c

1452253212 has 120 divisors (see below), whose sum is σ = 4037384736. Its totient is φ = 454177152.

The previous prime is 1452253211. The next prime is 1452253273. The reversal of 1452253212 is 2123522541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452253211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 393118 + ... + 396794.

Almost surely, 21452253212 is an apocalyptic number.

1452253212 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 1452253212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018692368).

1452253212 is an abundant number, since it is smaller than the sum of its proper divisors (2585131524).

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

1452253212 is a wasteful number, since it uses less digits than its factorization.

1452253212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3758 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1452253212 is about 38108.4401675010. The cubic root of 1452253212 is about 1132.4371685680.

Adding to 1452253212 its reverse (2123522541), we get a palindrome (3575775753).

The spelling of 1452253212 in words is "one billion, four hundred fifty-two million, two hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 53 54 69 81 92 106 108 138 159 162 207 212 276 318 324 414 477 621 636 828 954 1219 1242 1431 1863 1908 2438 2484 2862 3657 3677 3726 4293 4876 5724 7314 7354 7452 8586 10971 11031 14628 14708 17172 21942 22062 32913 33093 43884 44124 65826 66186 84571 98739 99279 131652 132372 169142 194881 197478 198558 253713 297837 338284 389762 394956 397116 507426 584643 595674 761139 779524 1014852 1169286 1191348 1522278 1753929 2283417 2338572 3044556 3507858 4482263 4566834 5261787 6850251 7015716 8964526 9133668 10523574 13446789 13700502 15785361 17929052 21047148 26893578 27401004 31570722 40340367 53787156 63141444 80680734 121021101 161361468 242042202 363063303 484084404 726126606 1452253212