Search a number
72422203 = 767315373
BaseRepresentation
bin1000101000100…
…01001100111011
312001021102120211
410110101030323
5122020002303
611104131551
71536402310
oct424211473
9161242524
1072422203
1137975967
1220306bb7
1312009199
149892d07
15655866d
hex451133b

72422203 has 8 divisors (see below), whose sum is σ = 82896608. Its totient is φ = 61979904.

The previous prime is 72422179. The next prime is 72422279. The reversal of 72422203 is 30222427.

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

It is not a de Polignac number, because 72422203 - 213 = 72414011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72422003) 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, 2976 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (10362076).

Almost surely, 272422203 is an apocalyptic number.

72422203 is a deficient number, since it is larger than the sum of its proper divisors (10474405).

72422203 is a wasteful number, since it uses less digits than its factorization.

72422203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 72422203 is about 8510.1235596200. The cubic root of 72422203 is about 416.8283447941.

The spelling of 72422203 in words is "seventy-two million, four hundred twenty-two thousand, two hundred three".

Divisors: 1 7 673 4711 15373 107611 10346029 72422203