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542441501 = 777491643
BaseRepresentation
bin100000010101010…
…000000000011101
31101210200212211222
4200111100000131
52102331112001
6125454223125
716304451050
oct4025200035
91353625758
10542441501
11259215368
121317b4aa5
13884c5004
1452082a97
153294d61b
hex2055001d

542441501 has 4 divisors (see below), whose sum is σ = 619933152. Its totient is φ = 464949852.

The previous prime is 542441489. The next prime is 542441513. The reversal of 542441501 is 105144245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (542441489) and next prime (542441513).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-542441501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542441531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38745815 + ... + 38745828.

It is an arithmetic number, because the mean of its divisors is an integer number (154983288).

Almost surely, 2542441501 is an apocalyptic number.

It is an amenable number.

542441501 is a deficient number, since it is larger than the sum of its proper divisors (77491651).

542441501 is an equidigital number, since it uses as much as digits as its factorization.

542441501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77491650.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 542441501 is about 23290.3735693526. The cubic root of 542441501 is about 815.5507091282.

Adding to 542441501 its reverse (105144245), we get a palindrome (647585746).

The spelling of 542441501 in words is "five hundred forty-two million, four hundred forty-one thousand, five hundred one".

Divisors: 1 7 77491643 542441501