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72150853 is a prime number
BaseRepresentation
bin1000100110011…
…10111101000101
312000202122100211
410103032331011
5121432311403
611054235421
71534162225
oct423167505
9160678324
1072150853
1137800005
12201b5b71
1311c42818
149822085
15650306d
hex44cef45

72150853 has 2 divisors, whose sum is σ = 72150854. Its totient is φ = 72150852.

The previous prime is 72150829. The next prime is 72150877. The reversal of 72150853 is 35805127.

It is a balanced prime because it is at equal distance from previous prime (72150829) and next prime (72150877).

It can be written as a sum of positive squares in only one way, i.e., 71537764 + 613089 = 8458^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 72150853 - 29 = 72150341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72150803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36075426 + 36075427.

It is an arithmetic number, because the mean of its divisors is an integer number (36075427).

Almost surely, 272150853 is an apocalyptic number.

It is an amenable number.

72150853 is a deficient number, since it is larger than the sum of its proper divisors (1).

72150853 is an equidigital number, since it uses as much as digits as its factorization.

72150853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 72150853 is about 8494.1658213152. The cubic root of 72150853 is about 416.3071053446.

The spelling of 72150853 in words is "seventy-two million, one hundred fifty thousand, eight hundred fifty-three".