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630196401 = 31483141649
BaseRepresentation
bin100101100100000…
…000100010110001
31121220211021221110
4211210000202301
52242312241101
6142311143533
721421403202
oct4544004261
91556737843
10630196401
112a380297a
12157074ba9
13a073c0a3
145d9a75a9
153a4d4cd6
hex259008b1

630196401 has 8 divisors (see below), whose sum is σ = 840834400. Its totient is φ = 419844672.

The previous prime is 630196397. The next prime is 630196421. The reversal of 630196401 is 104691036.

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

It is not a de Polignac number, because 630196401 - 22 = 630196397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630196421) 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, 66376 + ... + 75273.

It is an arithmetic number, because the mean of its divisors is an integer number (105104300).

Almost surely, 2630196401 is an apocalyptic number.

It is an amenable number.

630196401 is a deficient number, since it is larger than the sum of its proper divisors (210637999).

630196401 is a wasteful number, since it uses less digits than its factorization.

630196401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143135.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 630196401 is about 25103.7128927177. The cubic root of 630196401 is about 857.3509620933.

The spelling of 630196401 in words is "six hundred thirty million, one hundred ninety-six thousand, four hundred one".

Divisors: 1 3 1483 4449 141649 424947 210065467 630196401