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61985852 = 2215496463
BaseRepresentation
bin1110110001110…
…1010000111100
311022122012121022
43230131100330
5111332021402
610052323312
71351604525
oct354352074
9138565538
1061985852
1131a97985
1218913538
13cac3b26
14833784c
1556962a2
hex3b1d43c

61985852 has 6 divisors (see below), whose sum is σ = 108475248. Its totient is φ = 30992924.

The previous prime is 61985837. The next prime is 61985857. The reversal of 61985852 is 25858916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61985857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7748228 + ... + 7748235.

It is an arithmetic number, because the mean of its divisors is an integer number (18079208).

Almost surely, 261985852 is an apocalyptic number.

It is an amenable number.

61985852 is a deficient number, since it is larger than the sum of its proper divisors (46489396).

61985852 is a wasteful number, since it uses less digits than its factorization.

61985852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15496467 (or 15496465 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 61985852 is about 7873.1094238554. The cubic root of 61985852 is about 395.7590531668.

The spelling of 61985852 in words is "sixty-one million, nine hundred eighty-five thousand, eight hundred fifty-two".

Divisors: 1 2 4 15496463 30992926 61985852