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54780730 = 255478073
BaseRepresentation
bin1101000011111…
…0001100111010
310211002011000221
43100332030322
5103010440410
65234050254
71233425404
oct320761472
9124064027
1054780730
1128a16634
121641998a
13b470444
1473bdb74
154c214da
hex343e33a

54780730 has 8 divisors (see below), whose sum is σ = 98605332. Its totient is φ = 21912288.

The previous prime is 54780727. The next prime is 54780763. The reversal of 54780730 is 3708745.

It can be written as a sum of positive squares in 2 ways, for example, as 54774801 + 5929 = 7401^2 + 77^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739027 + ... + 2739046.

Almost surely, 254780730 is an apocalyptic number.

54780730 is a deficient number, since it is larger than the sum of its proper divisors (43824602).

54780730 is a wasteful number, since it uses less digits than its factorization.

54780730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478080.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 54780730 is about 7401.4005431405. The cubic root of 54780730 is about 379.7891951738.

The spelling of 54780730 in words is "fifty-four million, seven hundred eighty thousand, seven hundred thirty".

Divisors: 1 2 5 10 5478073 10956146 27390365 54780730