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45476990 = 2513353991
BaseRepresentation
bin1010110101111…
…0110001111110
310011120110200222
42231132301332
543120230430
64302421342
71061355656
oct255366176
9104513628
1045476990
1123741599
1213291852
139563780
14607b366
153ed49e5
hex2b5ec7e

45476990 has 32 divisors (see below), whose sum is σ = 88494336. Its totient is φ = 16727040.

The previous prime is 45476947. The next prime is 45476993. The reversal of 45476990 is 9967454.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45476993) 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, 45395 + ... + 46385.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 245476990 is an apocalyptic number.

45476990 is a deficient number, since it is larger than the sum of its proper divisors (43017346).

45476990 is a wasteful number, since it uses less digits than its factorization.

45476990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 45476990 is about 6743.6629512454. The cubic root of 45476990 is about 356.9416586368.

The spelling of 45476990 in words is "forty-five million, four hundred seventy-six thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 353 706 991 1765 1982 3530 4589 4955 9178 9910 12883 22945 25766 45890 64415 128830 349823 699646 1749115 3498230 4547699 9095398 22738495 45476990