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52490650 = 252732197
BaseRepresentation
bin1100100000111…
…1000110011010
310122202210122011
43020033012122
5101414200100
65113020134
71205106652
oct310170632
9118683564
1052490650
11276a2003
12156b464a
13ab4ac74
146d85362
15491cbba
hex320f19a

52490650 has 36 divisors (see below), whose sum is σ = 99490842. Its totient is φ = 20603520.

The previous prime is 52490639. The next prime is 52490653. The reversal of 52490650 is 5609425.

It can be written as a sum of positive squares in 9 ways, for example, as 18722929 + 33767721 = 4327^2 + 5811^2 .

It is a super-4 number, since 4×524906504 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (52490653) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 266352 + ... + 266548.

Almost surely, 252490650 is an apocalyptic number.

52490650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52490650 is a deficient number, since it is larger than the sum of its proper divisors (47000192).

52490650 is a wasteful number, since it uses less digits than its factorization.

52490650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52490650 is about 7245.0431330669. The cubic root of 52490650 is about 374.4213891660.

The spelling of 52490650 in words is "fifty-two million, four hundred ninety thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 197 365 394 730 985 1825 1970 3650 4925 5329 9850 10658 14381 26645 28762 53290 71905 133225 143810 266450 359525 719050 1049813 2099626 5249065 10498130 26245325 52490650