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245343542 = 2192339811
BaseRepresentation
bin11101001111110…
…10010100110110
3122002122202001212
432213322110312
51000301443132
640202321422
76036246203
oct1647722466
9562582055
10245343542
11116543264
126a1b9272
133baa20c2
1424826caa
15168145b2
hexe9fa536

245343542 has 12 divisors (see below), whose sum is σ = 388405116. Its totient is φ = 116215020.

The previous prime is 245343533. The next prime is 245343557.

245343542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2453435422 = 120386907202211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245343499 and 245343508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169184 + ... + 170627.

It is an arithmetic number, because the mean of its divisors is an integer number (32367093).

Almost surely, 2245343542 is an apocalyptic number.

245343542 is a deficient number, since it is larger than the sum of its proper divisors (143061574).

245343542 is a wasteful number, since it uses less digits than its factorization.

245343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339851 (or 339832 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 245343542 is about 15663.4460448523. The cubic root of 245343542 is about 626.0248078850.

The spelling of 245343542 in words is "two hundred forty-five million, three hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 19 38 361 722 339811 679622 6456409 12912818 122671771 245343542