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490201525 = 52111782551
BaseRepresentation
bin11101001101111…
…110000110110101
31021011101211002001
4131031332012311
52000442422100
6120350415301
715101433652
oct3515760665
91234354061
10490201525
11231784730
12118201531
137a734198
1449164c29
152d07ed6a
hex1d37e1b5

490201525 has 12 divisors (see below), whose sum is σ = 663109344. Its totient is φ = 356510000.

The previous prime is 490201519. The next prime is 490201531. The reversal of 490201525 is 525102094.

It is an interprime number because it is at equal distance from previous prime (490201519) and next prime (490201531).

It is not a de Polignac number, because 490201525 - 221 = 488104373 is a prime.

It is a super-2 number, since 2×4902015252 = 480595070224651250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490201493 and 490201502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891001 + ... + 891550.

It is an arithmetic number, because the mean of its divisors is an integer number (55259112).

Almost surely, 2490201525 is an apocalyptic number.

It is an amenable number.

490201525 is a deficient number, since it is larger than the sum of its proper divisors (172907819).

490201525 is a wasteful number, since it uses less digits than its factorization.

490201525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782572 (or 1782567 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 490201525 is about 22140.4951389981. The cubic root of 490201525 is about 788.4815810705.

The spelling of 490201525 in words is "four hundred ninety million, two hundred one thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 1782551 8912755 19608061 44563775 98040305 490201525