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201267740 = 22510063387
BaseRepresentation
bin10111111111100…
…01101000011100
3112000201110102202
423333301220130
5403011031430
631545511032
74662514262
oct1377615034
9460643382
10201267740
11a3679483
12574a2478
133290c34b
141ca32432
1512a09d45
hexbff1a1c

201267740 has 12 divisors (see below), whose sum is σ = 422662296. Its totient is φ = 80507088.

The previous prime is 201267727. The next prime is 201267757. The reversal of 201267740 is 47762102.

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 3 ways as a sum of consecutive naturals, for example, 5031674 + ... + 5031713.

It is an arithmetic number, because the mean of its divisors is an integer number (35221858).

Almost surely, 2201267740 is an apocalyptic number.

201267740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201267740 is an abundant number, since it is smaller than the sum of its proper divisors (221394556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201267740 is a wasteful number, since it uses less digits than its factorization.

201267740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063396 (or 10063394 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 201267740 is about 14186.8861981761. The cubic root of 201267740 is about 586.0365774479.

The spelling of 201267740 in words is "two hundred one million, two hundred sixty-seven thousand, seven hundred forty".