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3728030 = 25372803
BaseRepresentation
bin1110001110001010011110
321000101220012
432032022132
51423244110
6211523222
743454615
oct16161236
97011805
103728030
112116a19
1212b9512
13a06b47
146d087c
154d9905
hex38e29e

3728030 has 8 divisors (see below), whose sum is σ = 6710472. Its totient is φ = 1491208.

The previous prime is 3728017. The next prime is 3728041. The reversal of 3728030 is 308273.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3727987 and 3728005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186392 + ... + 186411.

It is an arithmetic number, because the mean of its divisors is an integer number (838809).

Almost surely, 23728030 is an apocalyptic number.

3728030 is a deficient number, since it is larger than the sum of its proper divisors (2982442).

3728030 is a wasteful number, since it uses less digits than its factorization.

3728030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372810.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3728030 is about 1930.8107105566. The cubic root of 3728030 is about 155.0576268555.

The spelling of 3728030 in words is "three million, seven hundred twenty-eight thousand, thirty".

Divisors: 1 2 5 10 372803 745606 1864015 3728030