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340451972 = 22712158999
BaseRepresentation
bin10100010010101…
…110001010000100
3212201121202022022
4110102232022010
51144123430342
653441022312
711302536230
oct2422561204
9781552268
10340451972
111651a3673
1296024998
13556c2293
14333035c0
151ed4e9d2
hex144ae284

340451972 has 12 divisors (see below), whose sum is σ = 680904000. Its totient is φ = 145907976.

The previous prime is 340451953. The next prime is 340451989. The reversal of 340451972 is 279154043.

340451972 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6079472 + ... + 6079527.

It is an arithmetic number, because the mean of its divisors is an integer number (56742000).

Almost surely, 2340451972 is an apocalyptic number.

It is an amenable number.

340451972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340451972 is a wasteful number, since it uses less digits than its factorization.

340451972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159010 (or 12159008 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 340451972 is about 18451.3406558982. The cubic root of 340451972 is about 698.2623376592.

The spelling of 340451972 in words is "three hundred forty million, four hundred fifty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 12158999 24317998 48635996 85112993 170225986 340451972