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761630253 = 3475401633
BaseRepresentation
bin101101011001011…
…000111000101101
31222002010211021220
4231121120320231
53024434132003
6203324213553
724605515236
oct5531307055
91862124256
10761630253
11360a1409a
1219309a2b9
13c1a3a3b7
147321c08d
1546ce8353
hex2d658e2d

761630253 has 8 divisors (see below), whose sum is σ = 1037113728. Its totient is φ = 496950144.

The previous prime is 761630249. The next prime is 761630267. The reversal of 761630253 is 352036167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 761630253 - 22 = 761630249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761630273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700676 + ... + 2700957.

It is an arithmetic number, because the mean of its divisors is an integer number (129639216).

Almost surely, 2761630253 is an apocalyptic number.

It is an amenable number.

761630253 is a deficient number, since it is larger than the sum of its proper divisors (275483475).

761630253 is a wasteful number, since it uses less digits than its factorization.

761630253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401683.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 761630253 is about 27597.6494107741. The cubic root of 761630253 is about 913.2325773586.

The spelling of 761630253 in words is "seven hundred sixty-one million, six hundred thirty thousand, two hundred fifty-three".

Divisors: 1 3 47 141 5401633 16204899 253876751 761630253