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542422001 = 1149311091
BaseRepresentation
bin100000010101001…
…011001111110001
31101210122220002202
4200111023033301
52102330001001
6125453552545
716304340152
oct4025131761
91353586082
10542422001
11259201750
121317a5755
13884b9184
1452079929
153294796b
hex2054b3f1

542422001 has 4 divisors (see below), whose sum is σ = 591733104. Its totient is φ = 493110900.

The previous prime is 542421977. The next prime is 542422007. The reversal of 542422001 is 100224245.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-542422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542422007) 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, 24655535 + ... + 24655556.

It is an arithmetic number, because the mean of its divisors is an integer number (147933276).

Almost surely, 2542422001 is an apocalyptic number.

It is an amenable number.

542422001 is a deficient number, since it is larger than the sum of its proper divisors (49311103).

542422001 is a wasteful number, since it uses less digits than its factorization.

542422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49311102.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 542422001 is about 23289.9549376979. The cubic root of 542422001 is about 815.5409363820.

Adding to 542422001 its reverse (100224245), we get a palindrome (642646246).

The spelling of 542422001 in words is "five hundred forty-two million, four hundred twenty-two thousand, one".

Divisors: 1 11 49311091 542422001