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345706480 = 2457617333
BaseRepresentation
bin10100100110110…
…000111111110000
3220002111201010201
4110212300333300
51202000101410
654145404544
711365312420
oct2446607760
9802451121
10345706480
11168162439
1297939754
1356811b62
1433cb0480
152053b83a
hex149b0ff0

345706480 has 40 divisors (see below), whose sum is σ = 918592992. Its totient is φ = 118527744.

The previous prime is 345706469. The next prime is 345706489. The reversal of 345706480 is 84607543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345706489) 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, 308107 + ... + 309226.

Almost surely, 2345706480 is an apocalyptic number.

It is an amenable number.

345706480 is an abundant number, since it is smaller than the sum of its proper divisors (572886512).

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

345706480 is a wasteful number, since it uses less digits than its factorization.

345706480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617353 (or 617347 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 345706480 is about 18593.1836972585. The cubic root of 345706480 is about 701.8363213930.

The spelling of 345706480 in words is "three hundred forty-five million, seven hundred six thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 617333 1234666 2469332 3086665 4321331 4938664 6173330 8642662 9877328 12346660 17285324 21606655 24693320 34570648 43213310 49386640 69141296 86426620 172853240 345706480