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1444679542 = 223139225943
BaseRepresentation
bin101011000011100…
…0000111101110110
310201200102022202201
41112013000331312
510424314221132
6355204255114
750541400465
oct12607007566
93650368681
101444679542
11681536139
123439a149a
131a03c3287
14d9c229dc
1586c6d2e7
hex561c0f76

1444679542 has 16 divisors (see below), whose sum is σ = 2277515520. Its totient is φ = 685959912.

The previous prime is 1444679507. The next prime is 1444679549. The reversal of 1444679542 is 2459764441.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 1444679492 and 1444679501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444679549) 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, 106578 + ... + 119365.

It is an arithmetic number, because the mean of its divisors is an integer number (142344720).

Almost surely, 21444679542 is an apocalyptic number.

1444679542 is a deficient number, since it is larger than the sum of its proper divisors (832835978).

1444679542 is a wasteful number, since it uses less digits than its factorization.

1444679542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226107.

The product of its digits is 967680, while the sum is 46.

The square root of 1444679542 is about 38008.9402904106. The cubic root of 1444679542 is about 1130.4651391281.

The spelling of 1444679542 in words is "one billion, four hundred forty-four million, six hundred seventy-nine thousand, five hundred forty-two".

Divisors: 1 2 23 46 139 278 3197 6394 225943 451886 5196689 10393378 31406077 62812154 722339771 1444679542