Search a number
-
+
57070403 = 134918941
BaseRepresentation
bin1101100110110…
…1001101000011
310222101110212122
43121231031003
5104102223103
65355114455
71262043005
oct331551503
9128343778
1057070403
112a23a925
1217142a2b
13ba92690
147818375
155024b38
hex366d343

57070403 has 8 divisors (see below), whose sum is σ = 61592496. Its totient is φ = 52567200.

The previous prime is 57070393. The next prime is 57070421. The reversal of 57070403 is 30407075.

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 57070403 - 28 = 57070147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57070103) 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, 1913 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (7699062).

Almost surely, 257070403 is an apocalyptic number.

57070403 is a deficient number, since it is larger than the sum of its proper divisors (4522093).

57070403 is a wasteful number, since it uses less digits than its factorization.

57070403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 57070403 is about 7554.4955490092. The cubic root of 57070403 is about 385.0084959052.

Adding to 57070403 its reverse (30407075), we get a palindrome (87477478).

The spelling of 57070403 in words is "fifty-seven million, seventy thousand, four hundred three".

Divisors: 1 13 491 6383 8941 116233 4390031 57070403