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345147470 = 25372114421
BaseRepresentation
bin10100100100101…
…000100001001110
3220001110022022122
4110210220201032
51201324204340
654125412542
711360463563
oct2444504116
9801408278
10345147470
11167910448
129770a152
1356677595
1433ba686a
152047adb5
hex1492884e

345147470 has 32 divisors (see below), whose sum is σ = 641225376. Its totient is φ = 133660800.

The previous prime is 345147457. The next prime is 345147493. The reversal of 345147470 is 74741543.

It is a self number, because there is not a number n which added to its sum of digits gives 345147470.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 75860 + ... + 80280.

It is an arithmetic number, because the mean of its divisors is an integer number (20038293).

Almost surely, 2345147470 is an apocalyptic number.

345147470 is a deficient number, since it is larger than the sum of its proper divisors (296077906).

345147470 is a wasteful number, since it uses less digits than its factorization.

345147470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 345147470 is about 18578.1449558345. The cubic root of 345147470 is about 701.4578257580.

The spelling of 345147470 in words is "three hundred forty-five million, one hundred forty-seven thousand, four hundred seventy".

Divisors: 1 2 5 10 37 74 185 211 370 422 1055 2110 4421 7807 8842 15614 22105 39035 44210 78070 163577 327154 817885 932831 1635770 1865662 4664155 9328310 34514747 69029494 172573735 345147470