Search a number
-
+
71874057 = 3231041653
BaseRepresentation
bin1000100100010…
…11011000001001
312000020120200010
410102023120021
5121344432212
611044302133
71531630233
oct422133011
9160216603
1071874057
1137631052
12200a1949
1311b76838
14978d253
15649b03c
hex448b609

71874057 has 8 divisors (see below), whose sum is σ = 99998784. Its totient is φ = 45832688.

The previous prime is 71874031. The next prime is 71874059. The reversal of 71874057 is 75047817.

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

It is a cyclic number.

It is not a de Polignac number, because 71874057 - 27 = 71873929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71874059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520758 + ... + 520895.

It is an arithmetic number, because the mean of its divisors is an integer number (12499848).

Almost surely, 271874057 is an apocalyptic number.

It is an amenable number.

71874057 is a deficient number, since it is larger than the sum of its proper divisors (28124727).

71874057 is a wasteful number, since it uses less digits than its factorization.

71874057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041679.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 71874057 is about 8477.8568636183. The cubic root of 71874057 is about 415.7740563757.

The spelling of 71874057 in words is "seventy-one million, eight hundred seventy-four thousand, fifty-seven".

Divisors: 1 3 23 69 1041653 3124959 23958019 71874057