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550542740 = 225112227497
BaseRepresentation
bin100000110100001…
…001110110010100
31102100221110122212
4200310021312110
52111414331430
6130344012552
716433351606
oct4064116624
91370843585
10550542740
11262848a00
12134461158
138a0a0547
1453191176
15334edb95
hex20d09d94

550542740 has 36 divisors (see below), whose sum is σ = 1270803828. Its totient is φ = 200196480.

The previous prime is 550542719. The next prime is 550542761. The reversal of 550542740 is 47245055.

550542740 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550542719) and next prime (550542761).

It can be written as a sum of positive squares in 2 ways, for example, as 121969936 + 428572804 = 11044^2 + 20702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550542697 and 550542706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111329 + ... + 116168.

Almost surely, 2550542740 is an apocalyptic number.

It is an amenable number.

550542740 is an abundant number, since it is smaller than the sum of its proper divisors (720261088).

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

550542740 is a wasteful number, since it uses less digits than its factorization.

550542740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227528 (or 227515 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 550542740 is about 23463.6472015755. The cubic root of 550542740 is about 819.5906840776.

Adding to 550542740 its reverse (47245055), we get a palindrome (597787795).

The spelling of 550542740 in words is "five hundred fifty million, five hundred forty-two thousand, seven hundred forty".