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530740278 = 23229485571
BaseRepresentation
bin11111101000100…
…111010000110110
31100222200101210100
4133220213100312
52041332142103
6124355334530
716103134515
oct3750472066
91328611710
10530740278
11252653032
121298b1446
1385c59003
14506b867c
15318db5a3
hex1fa27436

530740278 has 12 divisors (see below), whose sum is σ = 1149937308. Its totient is φ = 176913420.

The previous prime is 530740277. The next prime is 530740279. The reversal of 530740278 is 872047035.

It is an interprime number because it is at equal distance from previous prime (530740277) and next prime (530740279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530740277) 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, 14742768 + ... + 14742803.

It is an arithmetic number, because the mean of its divisors is an integer number (95828109).

Almost surely, 2530740278 is an apocalyptic number.

530740278 is an abundant number, since it is smaller than the sum of its proper divisors (619197030).

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

530740278 is a wasteful number, since it uses less digits than its factorization.

530740278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485579 (or 29485576 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 530740278 is about 23037.8010669421. The cubic root of 530740278 is about 809.6438397599.

The spelling of 530740278 in words is "five hundred thirty million, seven hundred forty thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 9 18 29485571 58971142 88456713 176913426 265370139 530740278