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61350356 = 22149310273
BaseRepresentation
bin1110101000001…
…0000111010100
311021102220212102
43222002013110
5111201202411
610030541232
71343320004
oct352020724
9137386772
1061350356
11316a3481
1218667818
13c9307b2
148210004
1555bcd3b
hex3a821d4

61350356 has 12 divisors (see below), whose sum is σ = 107445492. Its totient is φ = 30651648.

The previous prime is 61350349. The next prime is 61350371. The reversal of 61350356 is 65305316.

It can be written as a sum of positive squares in 2 ways, for example, as 34621456 + 26728900 = 5884^2 + 5170^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 836 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (8953791).

Almost surely, 261350356 is an apocalyptic number.

It is an amenable number.

61350356 is a deficient number, since it is larger than the sum of its proper divisors (46095136).

61350356 is a wasteful number, since it uses less digits than its factorization.

61350356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770 (or 11768 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 61350356 is about 7832.6468067953. The cubic root of 61350356 is about 394.4019277911.

The spelling of 61350356 in words is "sixty-one million, three hundred fifty thousand, three hundred fifty-six".

Divisors: 1 2 4 1493 2986 5972 10273 20546 41092 15337589 30675178 61350356