Search a number
-
+
47357142 = 2377115881
BaseRepresentation
bin1011010010100…
…1110011010110
310022002222210020
42310221303112
544110412032
64411010010
71113346320
oct264516326
9108088706
1047357142
1124806138
1213a39906
139a714a1
14640a610
154256b2c
hex2d29cd6

47357142 has 32 divisors (see below), whose sum is σ = 109776384. Its totient is φ = 13339200.

The previous prime is 47357137. The next prime is 47357159. The reversal of 47357142 is 24175374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4959 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (3430512).

Almost surely, 247357142 is an apocalyptic number.

47357142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47357142 is an abundant number, since it is smaller than the sum of its proper divisors (62419242).

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

47357142 is a wasteful number, since it uses less digits than its factorization.

47357142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15964.

The product of its digits is 23520, while the sum is 33.

The square root of 47357142 is about 6881.6525631566. The cubic root of 47357142 is about 361.7943899186.

The spelling of 47357142 in words is "forty-seven million, three hundred fifty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 15881 31762 47643 95286 111167 222334 333501 667002 1127551 2255102 3382653 6765306 7892857 15785714 23678571 47357142