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61825152 = 273233691
BaseRepresentation
bin1110101111011…
…0000010000000
311022100001011110
43223312002000
5111311401102
610045043320
71350335154
oct353660200
9138301143
1061825152
1131998174
1218856540
13ca6893c
1482d5064
15566386c
hex3af6080

61825152 has 64 divisors (see below), whose sum is σ = 165166560. Its totient is φ = 20490240.

The previous prime is 61825151. The next prime is 61825157. The reversal of 61825152 is 25152816.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (61825151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89127 + ... + 89817.

Almost surely, 261825152 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 61825152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82583280).

61825152 is an abundant number, since it is smaller than the sum of its proper divisors (103341408).

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

61825152 is a wasteful number, since it uses less digits than its factorization.

61825152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 929 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 61825152 is about 7862.8971759778. The cubic root of 61825152 is about 395.4167518332.

Adding to 61825152 its reverse (25152816), we get a palindrome (86977968).

The spelling of 61825152 in words is "sixty-one million, eight hundred twenty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 233 384 466 691 699 932 1382 1398 1864 2073 2764 2796 3728 4146 5528 5592 7456 8292 11056 11184 14912 16584 22112 22368 29824 33168 44224 44736 66336 88448 89472 132672 161003 265344 322006 483009 644012 966018 1288024 1932036 2576048 3864072 5152096 7728144 10304192 15456288 20608384 30912576 61825152