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420153101 = 5359134363
BaseRepresentation
bin11001000010110…
…000011100001101
31002021120222200222
4121002300130031
51330024344401
6105405201125
713261146104
oct3102603415
91067528628
10420153101
111a6190275
12b88601a5
1369079604
143db2d03b
1526d44c1b
hex190b070d

420153101 has 8 divisors (see below), whose sum is σ = 435339360. Its totient is φ = 405235792.

The previous prime is 420153091. The next prime is 420153187. The reversal of 420153101 is 101351024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420153101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420153101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420153901) 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, 64055 + ... + 70308.

It is an arithmetic number, because the mean of its divisors is an integer number (54417420).

Almost surely, 2420153101 is an apocalyptic number.

It is an amenable number.

420153101 is a deficient number, since it is larger than the sum of its proper divisors (15186259).

420153101 is a wasteful number, since it uses less digits than its factorization.

420153101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134475.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 420153101 is about 20497.6364735059. The cubic root of 420153101 is about 748.9782240046.

The spelling of 420153101 in words is "four hundred twenty million, one hundred fifty-three thousand, one hundred one".

Divisors: 1 53 59 3127 134363 7121239 7927417 420153101