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2947653242 = 211091328969
BaseRepresentation
bin1010111110110001…
…1001111001111010
321121102112022002022
42233230121321322
522014044400432
61204254234442
7133021432142
oct25754317172
97542468068
102947653242
111282967566
126a31b5a22
1337c8b6c21
141dd69b922
15123ba3b12
hexafb19e7a

2947653242 has 8 divisors (see below), whose sum is σ = 4425470100. Its totient is φ = 1472496544.

The previous prime is 2947653223. The next prime is 2947653257. The reversal of 2947653242 is 2423567492.

It can be written as a sum of positive squares in 2 ways, for example, as 2073800521 + 873852721 = 45539^2 + 29561^2 .

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

It is a super-2 number, since 2×29476532422 = 17377319270146221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2947653193 and 2947653202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662267 + ... + 666702.

Almost surely, 22947653242 is an apocalyptic number.

2947653242 is a deficient number, since it is larger than the sum of its proper divisors (1477816858).

2947653242 is a wasteful number, since it uses less digits than its factorization.

2947653242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330080.

The product of its digits is 725760, while the sum is 44.

The square root of 2947653242 is about 54292.2944993118. The cubic root of 2947653242 is about 1433.8117358293.

The spelling of 2947653242 in words is "two billion, nine hundred forty-seven million, six hundred fifty-three thousand, two hundred forty-two".

Divisors: 1 2 1109 2218 1328969 2657938 1473826621 2947653242