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53942646 = 238990441
BaseRepresentation
bin1100110111000…
…1100101110110
310202111120101210
43031301211312
5102302131041
65204102250
71223335122
oct315614566
9122446353
1053942646
11284a39aa
1216094986
13b238b34
147242582
154b08016
hex3371976

53942646 has 8 divisors (see below), whose sum is σ = 107885304. Its totient is φ = 17980880.

The previous prime is 53942641. The next prime is 53942671. The reversal of 53942646 is 64624935.

It is a sphenic number, since it is the product of 3 distinct primes.

53942646 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53942641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4495215 + ... + 4495226.

It is an arithmetic number, because the mean of its divisors is an integer number (13485663).

Almost surely, 253942646 is an apocalyptic number.

53942646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53942646 is a wasteful number, since it uses less digits than its factorization.

53942646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990446.

The product of its digits is 155520, while the sum is 39.

The square root of 53942646 is about 7344.5657461827. The cubic root of 53942646 is about 377.8424499495.

The spelling of 53942646 in words is "fifty-three million, nine hundred forty-two thousand, six hundred forty-six".

Divisors: 1 2 3 6 8990441 17980882 26971323 53942646