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47380344 = 23311179471
BaseRepresentation
bin1011010010111…
…1011101111000
310022011011121120
42310233131320
544112132334
64411305240
71113504054
oct264573570
9108134546
1047380344
1124821610
1213a4b220
139a7bc0b
146414c64
15425d949
hex2d2f778

47380344 has 32 divisors (see below), whose sum is σ = 129219840. Its totient is φ = 14357600.

The previous prime is 47380337. The next prime is 47380373. The reversal of 47380344 is 44308374.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89472 + ... + 89999.

It is an arithmetic number, because the mean of its divisors is an integer number (4038120).

Almost surely, 247380344 is an apocalyptic number.

47380344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47380344 is an abundant number, since it is smaller than the sum of its proper divisors (81839496).

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

47380344 is a wasteful number, since it uses less digits than its factorization.

47380344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179491 (or 179487 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 47380344 is about 6883.3381436626. The cubic root of 47380344 is about 361.8534657169.

The spelling of 47380344 in words is "forty-seven million, three hundred eighty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 179471 358942 538413 717884 1076826 1435768 1974181 2153652 3948362 4307304 5922543 7896724 11845086 15793448 23690172 47380344