Search a number
-
+
66652342 = 21719103177
BaseRepresentation
bin1111111001000…
…0100010110110
311122102021211021
43332100202312
5114030333332
610340331354
71436351461
oct376204266
9148367737
1066652342
1134694989
121a3a3b5a
1310a68b73
148bd02d8
155cb8c97
hex3f908b6

66652342 has 16 divisors (see below), whose sum is σ = 111432240. Its totient is φ = 29714688.

The previous prime is 66652303. The next prime is 66652343. The reversal of 66652342 is 24325666.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 66652298 and 66652307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66652343) 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, 50943 + ... + 52234.

It is an arithmetic number, because the mean of its divisors is an integer number (6964515).

Almost surely, 266652342 is an apocalyptic number.

66652342 is a deficient number, since it is larger than the sum of its proper divisors (44779898).

66652342 is a wasteful number, since it uses less digits than its factorization.

66652342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103215.

The product of its digits is 51840, while the sum is 34.

The square root of 66652342 is about 8164.0885590493. The cubic root of 66652342 is about 405.4510891192.

The spelling of 66652342 in words is "sixty-six million, six hundred fifty-two thousand, three hundred forty-two".

Divisors: 1 2 17 19 34 38 323 646 103177 206354 1754009 1960363 3508018 3920726 33326171 66652342