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72035390 = 2572147011
BaseRepresentation
bin1000100101100…
…10110000111110
312000112202222102
410102302300332
5121420113030
611051545102
71533201500
oct422626076
9160482872
1072035390
1137731289
122015b192
1311c020bb
1497d1d70
1564cdc45
hex44b2c3e

72035390 has 24 divisors (see below), whose sum is σ = 150834312. Its totient is φ = 24697680.

The previous prime is 72035389. The next prime is 72035407. The reversal of 72035390 is 9353027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73016 + ... + 73995.

It is an arithmetic number, because the mean of its divisors is an integer number (6284763).

Almost surely, 272035390 is an apocalyptic number.

72035390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72035390 is an abundant number, since it is smaller than the sum of its proper divisors (78798922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72035390 is a wasteful number, since it uses less digits than its factorization.

72035390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147032 (or 147025 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 72035390 is about 8487.3664937954. The cubic root of 72035390 is about 416.0849147110.

The spelling of 72035390 in words is "seventy-two million, thirty-five thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 147011 294022 735055 1029077 1470110 2058154 5145385 7203539 10290770 14407078 36017695 72035390