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4145907 = 31381969
BaseRepresentation
bin1111110100001011110011
321210122010010
433310023303
52030132112
6224510003
750145123
oct17641363
97718103
104145907
112381977
12147b303
13b220cc
1479cc83
1556d63c
hex3f42f3

4145907 has 4 divisors (see below), whose sum is σ = 5527880. Its totient is φ = 2763936.

The previous prime is 4145891. The next prime is 4145951. The reversal of 4145907 is 7095414.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4145907 - 24 = 4145891 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690982 + ... + 690987.

It is an arithmetic number, because the mean of its divisors is an integer number (1381970).

Almost surely, 24145907 is an apocalyptic number.

4145907 is a deficient number, since it is larger than the sum of its proper divisors (1381973).

4145907 is a wasteful number, since it uses less digits than its factorization.

4145907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381972.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4145907 is about 2036.1500435872. The cubic root of 4145907 is about 160.6472092007.

The spelling of 4145907 in words is "four million, one hundred forty-five thousand, nine hundred seven".

Divisors: 1 3 1381969 4145907