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47023838 = 231758449
BaseRepresentation
bin1011001101100…
…0011011011110
310021111001120122
42303120123132
544014230323
64355514542
71110460511
oct263303336
9107431518
1047023838
11245a8784
12138b8a52
139985874
146360d78
1541dcec8
hex2cd86de

47023838 has 8 divisors (see below), whose sum is σ = 72811200. Its totient is φ = 22753440.

The previous prime is 47023813. The next prime is 47023859. The reversal of 47023838 is 83832074.

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

It is a super-2 number, since 2×470238382 = 4422482680500488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47023798 and 47023807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379163 + ... + 379286.

It is an arithmetic number, because the mean of its divisors is an integer number (9101400).

Almost surely, 247023838 is an apocalyptic number.

47023838 is a deficient number, since it is larger than the sum of its proper divisors (25787362).

47023838 is a wasteful number, since it uses less digits than its factorization.

47023838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758482.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 47023838 is about 6857.3929448443. The cubic root of 47023838 is about 360.9436098976.

The spelling of 47023838 in words is "forty-seven million, twenty-three thousand, eight hundred thirty-eight".

Divisors: 1 2 31 62 758449 1516898 23511919 47023838