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3780039 = 38231531
BaseRepresentation
bin1110011010110111000111
321010001020110
432122313013
51431430124
6213004103
744062344
oct16326707
97101213
103780039
112151aaa
121323633
13a24713
147057cb
154ea029
hex39adc7

3780039 has 8 divisors (see below), whose sum is σ = 5049472. Its totient is φ = 2515320.

The previous prime is 3780037. The next prime is 3780041. The reversal of 3780039 is 9300873.

It is an interprime number because it is at equal distance from previous prime (3780037) and next prime (3780041).

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

It is not a de Polignac number, because 3780039 - 21 = 3780037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3779988 and 3780015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780037) 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, 1704 + ... + 3234.

It is an arithmetic number, because the mean of its divisors is an integer number (631184).

Almost surely, 23780039 is an apocalyptic number.

3780039 is a deficient number, since it is larger than the sum of its proper divisors (1269433).

3780039 is a wasteful number, since it uses less digits than its factorization.

3780039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3780039 is about 1944.2322392142. The cubic root of 3780039 is about 155.7753587872.

The spelling of 3780039 in words is "three million, seven hundred eighty thousand, thirty-nine".

Divisors: 1 3 823 1531 2469 4593 1260013 3780039