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1444470377 = 71301158611
BaseRepresentation
bin101011000011000…
…1101111001101001
310201200000200211212
41112012031321221
510424241023002
6355200002505
750536536620
oct12606157151
93650020755
101444470377
11681402a79
12343900435
131a034bccc
14d9baa6b7
1586c2b352
hex5618de69

1444470377 has 8 divisors (see below), whose sum is σ = 1652102592. Its totient is φ = 1237158000.

The previous prime is 1444470337. The next prime is 1444470397. The reversal of 1444470377 is 7730744441.

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 1444470377 - 212 = 1444466281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444470337) 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, 70199 + ... + 88412.

It is an arithmetic number, because the mean of its divisors is an integer number (206512824).

Almost surely, 21444470377 is an apocalyptic number.

It is an amenable number.

1444470377 is a deficient number, since it is larger than the sum of its proper divisors (207632215).

1444470377 is a wasteful number, since it uses less digits than its factorization.

1444470377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159919.

The product of its (nonzero) digits is 263424, while the sum is 41.

The square root of 1444470377 is about 38006.1886671105. The cubic root of 1444470377 is about 1130.4105791267.

The spelling of 1444470377 in words is "one billion, four hundred forty-four million, four hundred seventy thousand, three hundred seventy-seven".

Divisors: 1 7 1301 9107 158611 1110277 206352911 1444470377