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4018073 = 137139211
BaseRepresentation
bin1111010100111110011001
321120010202112
433110332121
52012034243
6222042105
746103333
oct17247631
97503675
104018073
1122a4924
121419335
13aa8b77
14768453
15545818
hex3d4f99

4018073 has 8 divisors (see below), whose sum is σ = 4095840. Its totient is φ = 3941280.

The previous prime is 4018061. The next prime is 4018081. The reversal of 4018073 is 3708104.

It is a happy number.

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 4018073 - 214 = 4001689 is a prime.

It is a super-2 number, since 2×40180732 = 32289821266658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4018043) 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, 18938 + ... + 19148.

It is an arithmetic number, because the mean of its divisors is an integer number (511980).

Almost surely, 24018073 is an apocalyptic number.

It is an amenable number.

4018073 is a deficient number, since it is larger than the sum of its proper divisors (77767).

4018073 is a wasteful number, since it uses less digits than its factorization.

4018073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 4018073 is about 2004.5131578516. The cubic root of 4018073 is about 158.9788218566.

The spelling of 4018073 in words is "four million, eighteen thousand, seventy-three".

Divisors: 1 137 139 211 19043 28907 29329 4018073