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47380374 = 23229139653
BaseRepresentation
bin1011010010111…
…1011110010110
310022011011122200
42310233132112
544112132444
64411305330
71113504126
oct264573626
9108134580
1047380374
1124821638
1213a4b246
139a7bc32
146414c86
15425d969
hex2d2f796

47380374 has 48 divisors (see below), whose sum is σ = 107125200. Its totient is φ = 15115968.

The previous prime is 47380373. The next prime is 47380381. The reversal of 47380374 is 47308374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47380373) 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, 72232 + ... + 72884.

It is an arithmetic number, because the mean of its divisors is an integer number (2231775).

Almost surely, 247380374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47380374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53562600).

47380374 is an abundant number, since it is smaller than the sum of its proper divisors (59744826).

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

47380374 is a wasteful number, since it uses less digits than its factorization.

47380374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 47380374 is about 6883.3403228375. The cubic root of 47380374 is about 361.8535420890.

The spelling of 47380374 in words is "forty-seven million, three hundred eighty thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 29 58 87 139 174 261 278 417 522 653 834 1251 1306 1959 2502 3918 4031 5877 8062 11754 12093 18937 24186 36279 37874 56811 72558 90767 113622 170433 181534 272301 340866 544602 816903 1633806 2632243 5264486 7896729 15793458 23690187 47380374