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3806157 = 33673457
BaseRepresentation
bin1110100001001111001101
321011101001210
432201033031
51433244112
6213325033
744231445
oct16411715
97141053
103806157
11216a693
121336779
13a33584
14711125
15502b3c
hex3a13cd

3806157 has 8 divisors (see below), whose sum is σ = 5090176. Its totient is φ = 2529792.

The previous prime is 3806123. The next prime is 3806167. The reversal of 3806157 is 7516083.

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

It is not a de Polignac number, because 3806157 - 26 = 3806093 is a prime.

It is a super-2 number, since 2×38061572 = 28973662217298, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806167) 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, 628 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (636272).

Almost surely, 23806157 is an apocalyptic number.

It is an amenable number.

3806157 is a deficient number, since it is larger than the sum of its proper divisors (1284019).

3806157 is a wasteful number, since it uses less digits than its factorization.

3806157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827.

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

The square root of 3806157 is about 1950.9374669630. The cubic root of 3806157 is about 156.1333097821.

The spelling of 3806157 in words is "three million, eight hundred six thousand, one hundred fifty-seven".

Divisors: 1 3 367 1101 3457 10371 1268719 3806157