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201255424 = 29393077
BaseRepresentation
bin10111111111011…
…10101000000000
3112000200211112121
423333232220000
5403010133144
631545334024
74662433336
oct1377565000
9460624477
10201255424
11a36701a7
1257497314
1332906866
141ca2bb56
1512a06384
hexbfeea00

201255424 has 20 divisors (see below), whose sum is σ = 402118794. Its totient is φ = 100627456.

The previous prime is 201255421. The next prime is 201255427. The reversal of 201255424 is 424552102.

It is an interprime number because it is at equal distance from previous prime (201255421) and next prime (201255427).

It can be written as a sum of positive squares in only one way, i.e., 195105024 + 6150400 = 13968^2 + 2480^2 .

It is not an unprimeable number, because it can be changed into a prime (201255421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196027 + ... + 197050.

Almost surely, 2201255424 is an apocalyptic number.

It is an amenable number.

201255424 is a deficient number, since it is larger than the sum of its proper divisors (200863370).

201255424 is an frugal number, since it uses more digits than its factorization.

201255424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393095 (or 393079 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 201255424 is about 14186.4521287036. The cubic root of 201255424 is about 586.0246235969.

The spelling of 201255424 in words is "two hundred one million, two hundred fifty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 393077 786154 1572308 3144616 6289232 12578464 25156928 50313856 100627712 201255424