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420959077 = 71110915011
BaseRepresentation
bin11001000101110…
…101001101100101
31002100002221021221
4121011311031211
51330231142302
6105434340341
713301043640
oct3105651545
91070087257
10420959077
111a6690870
12b8b8a6b1
136929c416
143dc9ca57
1526e53937
hex19175365

420959077 has 16 divisors (see below), whose sum is σ = 525417984. Its totient is φ = 327654000.

The previous prime is 420959069. The next prime is 420959081. The reversal of 420959077 is 770959024.

It is a cyclic number.

It is not a de Polignac number, because 420959077 - 23 = 420959069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420959017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81502 + ... + 86512.

It is an arithmetic number, because the mean of its divisors is an integer number (32838624).

Almost surely, 2420959077 is an apocalyptic number.

It is an amenable number.

420959077 is a deficient number, since it is larger than the sum of its proper divisors (104458907).

420959077 is a wasteful number, since it uses less digits than its factorization.

420959077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 420959077 is about 20517.2872719568. The cubic root of 420959077 is about 749.4568375425.

The spelling of 420959077 in words is "four hundred twenty million, nine hundred fifty-nine thousand, seventy-seven".

Divisors: 1 7 11 77 1091 5011 7637 12001 35077 55121 84007 385847 5467001 38269007 60137011 420959077