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61062012 = 2235115711
BaseRepresentation
bin1110100011101…
…1101101111100
311020220021100000
43220323231330
5111112441022
610020434300
71341006234
oct350735574
9136807300
1061062012
1131516880
1218548990
13c85c48b
148176cc4
1555626ac
hex3a3bb7c

61062012 has 72 divisors (see below), whose sum is σ = 174650112. Its totient is φ = 18500400.

The previous prime is 61061999. The next prime is 61062013. The reversal of 61062012 is 21026016.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61062013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7837 + ... + 13547.

It is an arithmetic number, because the mean of its divisors is an integer number (2425696).

Almost surely, 261062012 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 61062012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87325056).

61062012 is an abundant number, since it is smaller than the sum of its proper divisors (113588100).

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

61062012 is a wasteful number, since it uses less digits than its factorization.

61062012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 61062012 is about 7814.2185789751. The cubic root of 61062012 is about 393.7830666108.

Adding to 61062012 its reverse (21026016), we get a palindrome (82088028).

It can be divided in two parts, 6106 and 2012, that added together give a palindrome (8118).

The spelling of 61062012 in words is "sixty-one million, sixty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 243 297 324 396 486 594 891 972 1188 1782 2673 3564 5346 5711 10692 11422 17133 22844 34266 51399 62821 68532 102798 125642 154197 188463 205596 251284 308394 376926 462591 565389 616788 753852 925182 1130778 1387773 1696167 1850364 2261556 2775546 3392334 5088501 5551092 6784668 10177002 15265503 20354004 30531006 61062012