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45270785 = 572356237
BaseRepresentation
bin1010110010110…
…0011100000001
310011011222211202
42230230130001
543042131120
64254150545
71056536540
oct254543401
9104158752
1045270785
112361067a
12131b2455
1394c0961
146026157
153e93875
hex2b2c701

45270785 has 16 divisors (see below), whose sum is σ = 64786176. Its totient is φ = 29692608.

The previous prime is 45270767. The next prime is 45270791. The reversal of 45270785 is 58707254.

It is a cyclic number.

It is not a de Polignac number, because 45270785 - 214 = 45254401 is a prime.

It is a super-4 number, since 4×452707854 (a number of 32 digits) contains 4444 as substring.

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

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, 27314 + ... + 28923.

It is an arithmetic number, because the mean of its divisors is an integer number (4049136).

Almost surely, 245270785 is an apocalyptic number.

It is an amenable number.

45270785 is a deficient number, since it is larger than the sum of its proper divisors (19515391).

45270785 is a wasteful number, since it uses less digits than its factorization.

45270785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56272.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 45270785 is about 6728.3567830489. The cubic root of 45270785 is about 356.4013511000.

The spelling of 45270785 in words is "forty-five million, two hundred seventy thousand, seven hundred eighty-five".

Divisors: 1 5 7 23 35 115 161 805 56237 281185 393659 1293451 1968295 6467255 9054157 45270785