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201290733 = 32723138917
BaseRepresentation
bin10111111111101…
…11001111101101
3112000202121222100
423333313033231
5403012300413
631550205313
74662641310
oct1377671755
9460677870
10201290733
11a3694786
12574b3839
1332919957
141ca3a977
1512a11a73
hexbff73ed

201290733 has 24 divisors (see below), whose sum is σ = 346739328. Its totient is φ = 110021472.

The previous prime is 201290681. The next prime is 201290777. The reversal of 201290733 is 337092102.

It is not a de Polignac number, because 201290733 - 26 = 201290669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201290697 and 201290706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201290233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68010 + ... + 70907.

It is an arithmetic number, because the mean of its divisors is an integer number (14447472).

Almost surely, 2201290733 is an apocalyptic number.

201290733 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201290733 is a deficient number, since it is larger than the sum of its proper divisors (145448595).

201290733 is a wasteful number, since it uses less digits than its factorization.

201290733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138953 (or 138950 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 201290733 is about 14187.6965360836. The cubic root of 201290733 is about 586.0588930393.

The spelling of 201290733 in words is "two hundred one million, two hundred ninety thousand, seven hundred thirty-three".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 138917 416751 972419 1250253 2917257 3195091 8751771 9585273 22365637 28755819 67096911 201290733