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72230035 = 5199229317
BaseRepresentation
bin1000100111000…
…10010010010011
312000220122222111
410103202102103
5121442330120
611100050151
71534642123
oct423422223
9160818874
1072230035
1137854549
1220233957
1311c6c887
149842c83
15651b75a
hex44e2493

72230035 has 16 divisors (see below), whose sum is σ = 87768000. Its totient is φ = 57062016.

The previous prime is 72230017. The next prime is 72230047. The reversal of 72230035 is 53003227.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72230035 - 29 = 72229523 is a prime.

It is a super-2 number, since 2×722300352 = 10434355912202450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72229988 and 72230015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227697 + ... + 228013.

It is an arithmetic number, because the mean of its divisors is an integer number (5485500).

Almost surely, 272230035 is an apocalyptic number.

72230035 is a deficient number, since it is larger than the sum of its proper divisors (15537965).

72230035 is a wasteful number, since it uses less digits than its factorization.

72230035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 72230035 is about 8498.8255070921. The cubic root of 72230035 is about 416.4593418343.

The spelling of 72230035 in words is "seventy-two million, two hundred thirty thousand, thirty-five".

Divisors: 1 5 199 229 317 995 1145 1585 45571 63083 72593 227855 315415 362965 14446007 72230035