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101204431 = 1939713417
BaseRepresentation
bin1100000100001…
…00000111001111
321001102201101021
412002010013033
5201402020211
614013055011
72336136436
oct602040717
9231381337
10101204431
1152144429
1229a87467
1317c75aa3
14d62611d
158d41771
hex60841cf

101204431 has 8 divisors (see below), whose sum is σ = 106807280. Its totient is φ = 95629248.

The previous prime is 101204423. The next prime is 101204447. The reversal of 101204431 is 134402101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101204431 - 23 = 101204423 is a prime.

It is a super-2 number, since 2×1012044312 = 20484673708067522, 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 (101204471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (13350910).

Almost surely, 2101204431 is an apocalyptic number.

101204431 is a deficient number, since it is larger than the sum of its proper divisors (5602849).

101204431 is a wasteful number, since it uses less digits than its factorization.

101204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101204431 is about 10060.0413021021. The cubic root of 101204431 is about 466.0149426953.

Adding to 101204431 its reverse (134402101), we get a palindrome (235606532).

The spelling of 101204431 in words is "one hundred one million, two hundred four thousand, four hundred thirty-one".

Divisors: 1 19 397 7543 13417 254923 5326549 101204431