Search a number
-
+
55701970 = 255570197
BaseRepresentation
bin1101010001111…
…1000111010010
310212210221201221
43110133013102
5103224430340
65305515254
71244313262
oct324370722
9125727657
1055701970
1129495795
12167a2b2a
13b70385c
14757d7a2
154d5444a
hex351f1d2

55701970 has 8 divisors (see below), whose sum is σ = 100263564. Its totient is φ = 22280784.

The previous prime is 55701917. The next prime is 55701973. The reversal of 55701970 is 7910755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55487601 + 214369 = 7449^2 + 463^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55701973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785089 + ... + 2785108.

Almost surely, 255701970 is an apocalyptic number.

55701970 is a deficient number, since it is larger than the sum of its proper divisors (44561594).

55701970 is a wasteful number, since it uses less digits than its factorization.

55701970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570204.

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 55701970 is about 7463.3752418058. The cubic root of 55701970 is about 381.9063255411.

The spelling of 55701970 in words is "fifty-five million, seven hundred one thousand, nine hundred seventy".

Divisors: 1 2 5 10 5570197 11140394 27850985 55701970