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34745890 = 253474589
BaseRepresentation
bin1000010010001…
…0111000100010
32102101021101211
42010202320202
532343332030
63240420334
7601222654
oct204427042
972337354
1034745890
1118682113
12b7776aa
1372771ca
1448866d4
1530b512a
hex2122e22

34745890 has 8 divisors (see below), whose sum is σ = 62542620. Its totient is φ = 13898352.

The previous prime is 34745881. The next prime is 34745897. The reversal of 34745890 is 9854743.

It can be written as a sum of positive squares in 2 ways, for example, as 30813601 + 3932289 = 5551^2 + 1983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (34745897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737285 + ... + 1737304.

Almost surely, 234745890 is an apocalyptic number.

34745890 is a deficient number, since it is larger than the sum of its proper divisors (27796730).

34745890 is a wasteful number, since it uses less digits than its factorization.

34745890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474596.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 34745890 is about 5894.5644453174. The cubic root of 34745890 is about 326.3130782357.

The spelling of 34745890 in words is "thirty-four million, seven hundred forty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 3474589 6949178 17372945 34745890