Search a number
-
+
72025226 = 27131723279
BaseRepresentation
bin1000100101100…
…00010010001010
312000112021000222
410102300102022
5121414301401
611051430042
71533130040
oct422602212
9160467028
1072025226
1137724689
1220155322
1311bca5a0
1497cc390
1564cac1b
hex44b048a

72025226 has 32 divisors (see below), whose sum is σ = 140797440. Its totient is φ = 26816256.

The previous prime is 72025211. The next prime is 72025229. The reversal of 72025226 is 62252027.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 72025195 and 72025204.

It is not an unprimeable number, because it can be changed into a prime (72025229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8546 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 272025226 is an apocalyptic number.

72025226 is a deficient number, since it is larger than the sum of its proper divisors (68772214).

72025226 is a wasteful number, since it uses less digits than its factorization.

72025226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72025226 is about 8486.7677003674. The cubic root of 72025226 is about 416.0653443026.

The spelling of 72025226 in words is "seventy-two million, twenty-five thousand, two hundred twenty-six".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 3094 23279 46558 162953 302627 325906 395743 605254 791486 2118389 2770201 4236778 5144659 5540402 10289318 36012613 72025226