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2012520 = 233531541
BaseRepresentation
bin111101011010101101000
310210020122210
413223111220
51003400040
6111045120
723051256
oct7532550
93706583
102012520
111155044
128107a0
13556053
143a55d6
1529b480
hex1eb568

2012520 has 64 divisors (see below), whose sum is σ = 6243840. Its totient is φ = 518400.

The previous prime is 2012519. The next prime is 2012531. The reversal of 2012520 is 252102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2012496 and 2012505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450 + ... + 3990.

It is an arithmetic number, because the mean of its divisors is an integer number (97560).

22012520 is an apocalyptic number.

2012520 is a gapful number since it is divisible by the number (20) 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 2012520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121920).

2012520 is an abundant number, since it is smaller than the sum of its proper divisors (4231320).

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

2012520 is a wasteful number, since it uses less digits than its factorization.

2012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2012520 is about 1418.6331449674. The cubic root of 2012520 is about 126.2544618232.

Adding to 2012520 its reverse (252102), we get a palindrome (2264622).

The spelling of 2012520 in words is "two million, twelve thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 541 620 744 930 1082 1240 1623 1860 2164 2705 3246 3720 4328 5410 6492 8115 10820 12984 16230 16771 21640 32460 33542 50313 64920 67084 83855 100626 134168 167710 201252 251565 335420 402504 503130 670840 1006260 2012520