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61433992 = 23193891039
BaseRepresentation
bin1110101001011…
…0100010001000
311021121011121001
43222112202020
5111211341432
610032424344
71344115564
oct352264210
9137534531
1061433992
11317502a4
12186a80b4
13c95c899
1482326a4
1555d79e7
hex3a96888

61433992 has 32 divisors (see below), whose sum is σ = 121680000. Its totient is φ = 28997568.

The previous prime is 61433987. The next prime is 61433993. The reversal of 61433992 is 29933416.

It is not an unprimeable number, because it can be changed into a prime (61433993) 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, 58609 + ... + 59647.

It is an arithmetic number, because the mean of its divisors is an integer number (3802500).

Almost surely, 261433992 is an apocalyptic number.

It is an amenable number.

61433992 is a deficient number, since it is larger than the sum of its proper divisors (60246008).

61433992 is a wasteful number, since it uses less digits than its factorization.

61433992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1449 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 61433992 is about 7837.9839244540. The cubic root of 61433992 is about 394.5810694926.

The spelling of 61433992 in words is "sixty-one million, four hundred thirty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 19 38 76 152 389 778 1039 1556 2078 3112 4156 7391 8312 14782 19741 29564 39482 59128 78964 157928 404171 808342 1616684 3233368 7679249 15358498 30716996 61433992