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2173052542 = 21493727747
BaseRepresentation
bin1000000110000110…
…0010011001111110
312121102222111200111
42001201202121332
513422300140132
6555344020234
7104564433103
oct20141423176
95542874614
102173052542
11a156a45a1
1250790167a
13288287c0b
14168864aaa
15cab97647
hex8186267e

2173052542 has 8 divisors (see below), whose sum is σ = 3261766536. Its totient is φ = 1085797032.

The previous prime is 2173052509. The next prime is 2173052549. The reversal of 2173052542 is 2452503712.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173052549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360888 + ... + 366859.

It is an arithmetic number, because the mean of its divisors is an integer number (407720817).

Almost surely, 22173052542 is an apocalyptic number.

2173052542 is a deficient number, since it is larger than the sum of its proper divisors (1088713994).

2173052542 is a wasteful number, since it uses less digits than its factorization.

2173052542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729242.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2173052542 is about 46616.0116483596. The cubic root of 2173052542 is about 1295.2593691466.

The spelling of 2173052542 in words is "two billion, one hundred seventy-three million, fifty-two thousand, five hundred forty-two".

Divisors: 1 2 1493 2986 727747 1455494 1086526271 2173052542