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245134512 = 243579007
BaseRepresentation
bin11101001110001…
…11010010110000
3122002021010100000
432213013102300
51000223301022
640154030000
76034415610
oct1647072260
9562233300
10245134512
11116410207
126a118300
133ba2ac0c
14247b0a40
15167c26ac
hexe9c74b0

245134512 has 120 divisors (see below), whose sum is σ = 813170176. Its totient is φ = 70030656.

The previous prime is 245134499. The next prime is 245134537. The reversal of 245134512 is 215431542.

245134512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 22713 + ... + 31719.

Almost surely, 2245134512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245134512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406585088).

245134512 is an abundant number, since it is smaller than the sum of its proper divisors (568035664).

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

245134512 is an equidigital number, since it uses as much as digits as its factorization.

245134512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037 (or 9019 counting only the distinct ones).

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

The square root of 245134512 is about 15656.7720811156. The cubic root of 245134512 is about 625.8469686189.

It can be divided in two parts, 2451 and 34512, that added together give a palindrome (36963).

The spelling of 245134512 in words is "two hundred forty-five million, one hundred thirty-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 243 252 324 336 378 432 486 504 567 648 756 972 1008 1134 1296 1512 1701 1944 2268 3024 3402 3888 4536 6804 9007 9072 13608 18014 27021 27216 36028 54042 63049 72056 81063 108084 126098 144112 162126 189147 216168 243189 252196 324252 378294 432336 486378 504392 567441 648504 729567 756588 972756 1008784 1134882 1297008 1459134 1513176 1702323 1945512 2188701 2269764 2918268 3026352 3404646 3891024 4377402 4539528 5106969 5836536 6809292 8754804 9079056 10213938 11673072 13618584 15320907 17509608 20427876 27237168 30641814 35019216 40855752 61283628 81711504 122567256 245134512