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542244507 = 3735277321
BaseRepresentation
bin100000010100011…
…111111010011011
31101210022212121220
4200110133322123
52102303311012
6125450103123
716303000530
oct4024377233
91353285556
10542244507
112590a0362
1213171aaa3
138845644c
1452030d87
153291008c
hex2051fe9b

542244507 has 16 divisors (see below), whose sum is σ = 826624512. Its totient is φ = 309723840.

The previous prime is 542244503. The next prime is 542244533. The reversal of 542244507 is 705442245.

It is not a de Polignac number, because 542244507 - 22 = 542244503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542244503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70407 + ... + 77727.

It is an arithmetic number, because the mean of its divisors is an integer number (51664032).

Almost surely, 2542244507 is an apocalyptic number.

542244507 is a deficient number, since it is larger than the sum of its proper divisors (284380005).

542244507 is a wasteful number, since it uses less digits than its factorization.

542244507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10858.

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 542244507 is about 23286.1440990130. The cubic root of 542244507 is about 815.4519715695.

The spelling of 542244507 in words is "five hundred forty-two million, two hundred forty-four thousand, five hundred seven".

Divisors: 1 3 7 21 3527 7321 10581 21963 24689 51247 74067 153741 25821167 77463501 180748169 542244507