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47033140 = 22572114363
BaseRepresentation
bin1011001101101…
…0101100110100
310021111112100011
42303122230310
544020030030
64400030004
71110526600
oct263325464
9107445304
1047033140
1124604770
1213902304
139989b7b
146364500
1541e0b2a
hex2cdab34

47033140 has 72 divisors (see below), whose sum is σ = 125368992. Its totient is φ = 14656320.

The previous prime is 47033131. The next prime is 47033141. The reversal of 47033140 is 4133074.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47033141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8599 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (1741236).

Almost surely, 247033140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47033140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62684496).

47033140 is an abundant number, since it is smaller than the sum of its proper divisors (78335852).

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

47033140 is a wasteful number, since it uses less digits than its factorization.

47033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 47033140 is about 6858.0711574028. The cubic root of 47033140 is about 360.9674082961.

The spelling of 47033140 in words is "forty-seven million, thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 385 490 539 770 980 1078 1540 2156 2695 4363 5390 8726 10780 17452 21815 30541 43630 47993 61082 87260 95986 122164 152705 191972 213787 239965 305410 335951 427574 479930 610820 671902 855148 959860 1068935 1343804 1679755 2137870 2351657 3359510 4275740 4703314 6719020 9406628 11758285 23516570 47033140