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269720641 = 8910329423
BaseRepresentation
bin10000000100111…
…001110001000001
3200210112020011101
4100010321301001
51023022030031
642433014401
76453405361
oct2004716101
9623466141
10269720641
11129283123
12763b4401
1343b58918
1427b709a1
1518a2c361
hex10139c41

269720641 has 8 divisors (see below), whose sum is σ = 275408640. Its totient is φ = 264091872.

The previous prime is 269720629. The next prime is 269720653. The reversal of 269720641 is 146027962.

It is an interprime number because it is at equal distance from previous prime (269720629) and next prime (269720653).

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

It is a cyclic number.

It is not a de Polignac number, because 269720641 - 27 = 269720513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 269720641.

It is not an unprimeable number, because it can be changed into a prime (269720611) 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, 5545 + ... + 23878.

It is an arithmetic number, because the mean of its divisors is an integer number (34426080).

Almost surely, 2269720641 is an apocalyptic number.

It is an amenable number.

269720641 is a deficient number, since it is larger than the sum of its proper divisors (5687999).

269720641 is a wasteful number, since it uses less digits than its factorization.

269720641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29615.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 269720641 is about 16423.1739015332. The cubic root of 269720641 is about 646.1074187080.

The spelling of 269720641 in words is "two hundred sixty-nine million, seven hundred twenty thousand, six hundred forty-one".

Divisors: 1 89 103 9167 29423 2618647 3030569 269720641