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2155053 = 31913761
BaseRepresentation
bin1000001110001000101101
311001111011210
420032020231
51022430203
6114105033
724213645
oct10161055
94044153
102155053
11124213a
1287b179
135a5ba4
14401525
152c8803
hex20e22d

2155053 has 8 divisors (see below), whose sum is σ = 2889216. Its totient is φ = 1428800.

The previous prime is 2155009. The next prime is 2155057. The reversal of 2155053 is 3505512.

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 2155053 - 29 = 2154541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155057) 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, 1308 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

22155053 is an apocalyptic number.

It is an amenable number.

2155053 is a deficient number, since it is larger than the sum of its proper divisors (734163).

2155053 is a wasteful number, since it uses less digits than its factorization.

2155053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2155053 is about 1468.0098773510. The cubic root of 2155053 is about 129.1673208893.

The spelling of 2155053 in words is "two million, one hundred fifty-five thousand, fifty-three".

Divisors: 1 3 191 573 3761 11283 718351 2155053