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2173053 = 35379173
BaseRepresentation
bin1000010010100001111101
311002101212110
420102201331
51024014203
6114324233
724320301
oct10224175
94071773
102173053
111254713
12889679
135b113c
14407d01
152cdd03
hex21287d

2173053 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 1395264.

The previous prime is 2173051. The next prime is 2173079. The reversal of 2173053 is 3503712.

Added to its reverse (3503712) it gives a triangular number (5676765 = T3369).

It is a happy number.

It is not a de Polignac number, because 2173053 - 21 = 2173051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12475 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

22173053 is an apocalyptic number.

It is an amenable number.

2173053 is a deficient number, since it is larger than the sum of its proper divisors (833667).

2173053 is a wasteful number, since it uses less digits than its factorization.

2173053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2173053 is about 1474.1278777637. The cubic root of 2173053 is about 129.5259460144.

Adding to 2173053 its reverse (3503712), we get a palindrome (5676765).

The spelling of 2173053 in words is "two million, one hundred seventy-three thousand, fifty-three".

Divisors: 1 3 53 79 159 173 237 519 4187 9169 12561 13667 27507 41001 724351 2173053