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1444938949 = 2983600307
BaseRepresentation
bin101011000100000…
…0000010011000101
310201200220111121101
41112020000103011
510424401021244
6355214020101
750543530666
oct12610002305
93650814541
101444938949
116816a3023
12343aa7631
131a048437c
14d9c8d36d
1586cc00d4
hex562004c5

1444938949 has 8 divisors (see below), whose sum is σ = 1512776160. Its totient is φ = 1378302576.

The previous prime is 1444938931. The next prime is 1444938967. The reversal of 1444938949 is 9498394441.

It is an interprime number because it is at equal distance from previous prime (1444938931) and next prime (1444938967).

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 1444938949 - 25 = 1444938917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444938949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444938149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297747 + ... + 302560.

It is an arithmetic number, because the mean of its divisors is an integer number (189097020).

Almost surely, 21444938949 is an apocalyptic number.

It is an amenable number.

1444938949 is a deficient number, since it is larger than the sum of its proper divisors (67837211).

1444938949 is an equidigital number, since it uses as much as digits as its factorization.

1444938949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600419.

The product of its digits is 4478976, while the sum is 55.

The square root of 1444938949 is about 38012.3525843902. The cubic root of 1444938949 is about 1130.5327972745.

The spelling of 1444938949 in words is "one billion, four hundred forty-four million, nine hundred thirty-eight thousand, nine hundred forty-nine".

Divisors: 1 29 83 2407 600307 17408903 49825481 1444938949