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2152997 = 71127961
BaseRepresentation
bin1000001101101000100101
311001101100122
420031220211
51022343442
6114051325
724204650
oct10155045
94041318
102152997
111240640
12879b45
135a4c82
14400897
152c7dd2
hex20da25

2152997 has 8 divisors (see below), whose sum is σ = 2684352. Its totient is φ = 1677600.

The previous prime is 2152973. The next prime is 2153051. The reversal of 2152997 is 7992512.

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 2152997 - 216 = 2087461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152907) 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, 13904 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (335544).

22152997 is an apocalyptic number.

It is an amenable number.

2152997 is a deficient number, since it is larger than the sum of its proper divisors (531355).

2152997 is a wasteful number, since it uses less digits than its factorization.

2152997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27979.

The product of its digits is 11340, while the sum is 35.

The square root of 2152997 is about 1467.3094424831. The cubic root of 2152997 is about 129.1262310243.

The spelling of 2152997 in words is "two million, one hundred fifty-two thousand, nine hundred ninety-seven".

Divisors: 1 7 11 77 27961 195727 307571 2152997