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54429340 = 2257388781
BaseRepresentation
bin1100111110100…
…0011010011100
310210102022000111
43033220122130
5102413214330
65222335404
71230433060
oct317503234
9123368014
1054429340
11287a6629
121628a564
13b379514
14732baa0
154ba232a
hex33e869c

54429340 has 24 divisors (see below), whose sum is σ = 130630752. Its totient is φ = 18661440.

The previous prime is 54429313. The next prime is 54429343. The reversal of 54429340 is 4392445.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54429343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194251 + ... + 194530.

It is an arithmetic number, because the mean of its divisors is an integer number (5442948).

Almost surely, 254429340 is an apocalyptic number.

It is an amenable number.

54429340 is an abundant number, since it is smaller than the sum of its proper divisors (76201412).

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

54429340 is a wasteful number, since it uses less digits than its factorization.

54429340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388797 (or 388795 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54429340 is about 7377.6242788583. The cubic root of 54429340 is about 378.9754023621.

The spelling of 54429340 in words is "fifty-four million, four hundred twenty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 388781 777562 1555124 1943905 2721467 3887810 5442934 7775620 10885868 13607335 27214670 54429340