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240030077 = 724898573
BaseRepresentation
bin11100100111010…
…01000101111101
3121201122210100212
432103221011331
5442421430302
635452402205
75643136100
oct1623510575
9551583325
10240030077
11113544171
1268476365
133a961741
1423c42737
1516115052
hexe4e917d

240030077 has 6 divisors (see below), whose sum is σ = 279218718. Its totient is φ = 205740024.

The previous prime is 240030041. The next prime is 240030079. The reversal of 240030077 is 770030042.

It can be written as a sum of positive squares in only one way, i.e., 183087961 + 56942116 = 13531^2 + 7546^2 .

It is not a de Polignac number, because 240030077 - 28 = 240029821 is a prime.

It is a super-2 number, since 2×2400300772 = 115228875729251858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240030079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2449238 + ... + 2449335.

It is an arithmetic number, because the mean of its divisors is an integer number (46536453).

Almost surely, 2240030077 is an apocalyptic number.

It is an amenable number.

240030077 is a deficient number, since it is larger than the sum of its proper divisors (39188641).

240030077 is an equidigital number, since it uses as much as digits as its factorization.

240030077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898587 (or 4898580 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 240030077 is about 15492.9040854192. The cubic root of 240030077 is about 621.4724601709.

The spelling of 240030077 in words is "two hundred forty million, thirty thousand, seventy-seven".

Divisors: 1 7 49 4898573 34290011 240030077