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47023130 = 25711173353
BaseRepresentation
bin1011001101100…
…0010000011010
310021111000121102
42303120100122
544014220010
64355511402
71110455450
oct263302032
9107430542
1047023130
11245a81a0
12138b8562
13998544b
1463609d0
1541dcba5
hex2cd841a

47023130 has 64 divisors (see below), whose sum is σ = 106437888. Its totient is φ = 14530560.

The previous prime is 47023129. The next prime is 47023133. The reversal of 47023130 is 3132074.

It is a super-2 number, since 2×470231302 = 4422349509993800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47023133) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 133034 + ... + 133386.

It is an arithmetic number, because the mean of its divisors is an integer number (1663092).

Almost surely, 247023130 is an apocalyptic number.

47023130 is an abundant number, since it is smaller than the sum of its proper divisors (59414758).

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

47023130 is a wasteful number, since it uses less digits than its factorization.

47023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 47023130 is about 6857.3413215327. The cubic root of 47023130 is about 360.9417984096.

The spelling of 47023130 in words is "forty-seven million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 173 346 353 385 706 770 865 1211 1730 1765 1903 2422 2471 3530 3806 3883 4942 6055 7766 9515 12110 12355 13321 19030 19415 24710 26642 27181 38830 54362 61069 66605 122138 133210 135905 271810 305345 427483 610690 671759 854966 1343518 2137415 3358795 4274830 4702313 6717590 9404626 23511565 47023130