Search a number
-
+
72233078 = 247768437
BaseRepresentation
bin1000100111000…
…11000001110110
312000220211011012
410103203001312
5121442424303
611100112222
71534654031
oct423430166
9160824135
1072233078
1137856865
1220235672
1311c71088
149844018
15651c5d8
hex44e3076

72233078 has 8 divisors (see below), whose sum is σ = 110655072. Its totient is φ = 35348056.

The previous prime is 72233071. The next prime is 72233111. The reversal of 72233078 is 87033227.

It is a happy number.

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

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72233071) 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, 384125 + ... + 384312.

It is an arithmetic number, because the mean of its divisors is an integer number (13831884).

Almost surely, 272233078 is an apocalyptic number.

72233078 is a deficient number, since it is larger than the sum of its proper divisors (38421994).

72233078 is a wasteful number, since it uses less digits than its factorization.

72233078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768486.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 72233078 is about 8499.0045299435. The cubic root of 72233078 is about 416.4651901308.

It can be divided in two parts, 7223 and 3078, that added together give a palindrome (10301).

The spelling of 72233078 in words is "seventy-two million, two hundred thirty-three thousand, seventy-eight".

Divisors: 1 2 47 94 768437 1536874 36116539 72233078