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54790440 = 2335456587
BaseRepresentation
bin1101000100000…
…0100100101000
310211002122100120
43101000210220
5103011243230
65234203240
71233465615
oct321004450
9124078316
1054790440
1128a22961
1216423520
13b4749a3
1473c350c
154c24310
hex3440928

54790440 has 32 divisors (see below), whose sum is σ = 164371680. Its totient is φ = 14610752.

The previous prime is 54790427. The next prime is 54790453. The reversal of 54790440 is 4409745.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54790427) and next prime (54790453).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228174 + ... + 228413.

It is an arithmetic number, because the mean of its divisors is an integer number (5136615).

Almost surely, 254790440 is an apocalyptic number.

It is an amenable number.

54790440 is an abundant number, since it is smaller than the sum of its proper divisors (109581240).

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

54790440 is a wasteful number, since it uses less digits than its factorization.

54790440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456601 (or 456597 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 54790440 is about 7402.0564710086. The cubic root of 54790440 is about 379.8116333269.

The spelling of 54790440 in words is "fifty-four million, seven hundred ninety thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 456587 913174 1369761 1826348 2282935 2739522 3652696 4565870 5479044 6848805 9131740 10958088 13697610 18263480 27395220 54790440