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1144242007 = 10163112589
BaseRepresentation
bin100010000110011…
…1011111101010111
32221202002111221121
41010030323331113
54320411221012
6305313024411
740232616346
oct10414737527
92852074847
101144242007
11537992a57
1227b255107
131530a129c
14abd77b5d
156a6c4a07
hex4433bf57

1144242007 has 4 divisors (see below), whose sum is σ = 1144364760. Its totient is φ = 1144119256.

The previous prime is 1144241993. The next prime is 1144242031. The reversal of 1144242007 is 7002424411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144242007 - 211 = 1144239959 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 (1144242037) 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, 46132 + ... + 66457.

It is an arithmetic number, because the mean of its divisors is an integer number (286091190).

Almost surely, 21144242007 is an apocalyptic number.

1144242007 is a deficient number, since it is larger than the sum of its proper divisors (122753).

1144242007 is a wasteful number, since it uses less digits than its factorization.

1144242007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122752.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1144242007 is about 33826.6464048685. The cubic root of 1144242007 is about 1045.9380501267.

Adding to 1144242007 its reverse (7002424411), we get a palindrome (8146666418).

The spelling of 1144242007 in words is "one billion, one hundred forty-four million, two hundred forty-two thousand, seven".

Divisors: 1 10163 112589 1144242007