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2285609621 = 37386315991
BaseRepresentation
bin1000100000111011…
…1010001010010101
312220021202222222012
42020032322022111
514140104001441
61014444314005
7110432234621
oct21016721225
95807688865
102285609621
11a73192379
12539542905
132a56a7139
141797a4181
15d59cc9eb
hex883ba295

2285609621 has 8 divisors (see below), whose sum is σ = 2348137344. Its totient is φ = 2223121680.

The previous prime is 2285609609. The next prime is 2285609647. The reversal of 2285609621 is 1269065822.

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-2285609621 is a prime.

It is a super-2 number, since 2×22856096212 = 10448022679215527282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285609021) 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, 134936 + ... + 150926.

It is an arithmetic number, because the mean of its divisors is an integer number (293517168).

Almost surely, 22285609621 is an apocalyptic number.

It is an amenable number.

2285609621 is a deficient number, since it is larger than the sum of its proper divisors (62527723).

2285609621 is a wasteful number, since it uses less digits than its factorization.

2285609621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2285609621 is about 47808.0497510618. The cubic root of 2285609621 is about 1317.2474054599.

The spelling of 2285609621 in words is "two billion, two hundred eighty-five million, six hundred nine thousand, six hundred twenty-one".

Divisors: 1 37 3863 15991 142931 591667 61773233 2285609621