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45407870 = 2531146477
BaseRepresentation
bin1010110100110…
…1111001111110
310011102221212222
42231031321332
543111022440
64301125342
71060650314
oct255157176
9104387788
1045407870
11236a4672
1213259852
13953b181
1460600b4
153ebe2b5
hex2b4de7e

45407870 has 16 divisors (see below), whose sum is σ = 84371328. Its totient is φ = 17577120.

The previous prime is 45407861. The next prime is 45407893. The reversal of 45407870 is 7870454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45407870.

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 7 ways as a sum of consecutive naturals, for example, 72929 + ... + 73548.

It is an arithmetic number, because the mean of its divisors is an integer number (5273208).

Almost surely, 245407870 is an apocalyptic number.

45407870 is a deficient number, since it is larger than the sum of its proper divisors (38963458).

45407870 is a wasteful number, since it uses less digits than its factorization.

45407870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146515.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 45407870 is about 6738.5361911917. The cubic root of 45407870 is about 356.7607296477.

The spelling of 45407870 in words is "forty-five million, four hundred seven thousand, eight hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 146477 292954 732385 1464770 4540787 9081574 22703935 45407870