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345880486 = 27237913597
BaseRepresentation
bin10100100111011…
…011011110100110
3220002211112211101
4110213123132212
51202021133421
654153230314
711366635630
oct2447333646
9802745741
10345880486
11168271146
1297a0239a
1356873113
1433d17a50
1520573191
hex149db7a6

345880486 has 32 divisors (see below), whose sum is σ = 626595840. Its totient is φ = 139984416.

The previous prime is 345880439. The next prime is 345880499. The reversal of 345880486 is 684088543.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18640 + ... + 32236.

It is an arithmetic number, because the mean of its divisors is an integer number (19581120).

Almost surely, 2345880486 is an apocalyptic number.

345880486 is a deficient number, since it is larger than the sum of its proper divisors (280715354).

345880486 is a wasteful number, since it uses less digits than its factorization.

345880486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13708.

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 345880486 is about 18597.8624040506. The cubic root of 345880486 is about 701.9540544546.

The spelling of 345880486 in words is "three hundred forty-five million, eight hundred eighty thousand, four hundred eighty-six".

Divisors: 1 2 7 14 23 46 79 158 161 322 553 1106 1817 3634 12719 13597 25438 27194 95179 190358 312731 625462 1074163 2148326 2189117 4378234 7519141 15038282 24705749 49411498 172940243 345880486