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345455454 = 23198213691
BaseRepresentation
bin10100100101110…
…011101101011110
3220002000221210110
4110211303231132
51201414033304
654140150450
711363215521
oct2445635536
9802027713
10345455454
11168000883
1297838426
1356754816
1433c46bb8
15204dc289
hex14973b5e

345455454 has 32 divisors (see below), whose sum is σ = 728357760. Its totient is φ = 108928800.

The previous prime is 345455447. The next prime is 345455459. The reversal of 345455454 is 454554543.

It is a super-2 number, since 2×3454554542 = 238678941396692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345455459) by changing a digit.

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, 91749 + ... + 95439.

It is an arithmetic number, because the mean of its divisors is an integer number (22761180).

Almost surely, 2345455454 is an apocalyptic number.

345455454 is an abundant number, since it is smaller than the sum of its proper divisors (382902306).

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

345455454 is a wasteful number, since it uses less digits than its factorization.

345455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its digits is 480000, while the sum is 39.

The square root of 345455454 is about 18586.4319868016. The cubic root of 345455454 is about 701.6664067067. Note that the first 3 decimals are identical.

The spelling of 345455454 in words is "three hundred forty-five million, four hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 821 1642 2463 3691 4926 7382 11073 15599 22146 31198 46797 70129 93594 140258 210387 420774 3030311 6060622 9090933 18181866 57575909 115151818 172727727 345455454