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269708401 = 19311094201
BaseRepresentation
bin10000000100110…
…110110001110001
3200210111121101001
4100010312301301
51023021132101
642432442001
76453324604
oct2004666161
9623447331
10269708401
11129274a06
12763a9301
1343b53191
1427b6a33b
1518a28901
hex10136c71

269708401 has 16 divisors (see below), whose sum is σ = 295820800. Its totient is φ = 244944000.

The previous prime is 269708377. The next prime is 269708423. The reversal of 269708401 is 104807962.

It is a cyclic number.

It is not a de Polignac number, because 269708401 - 27 = 269708273 is a prime.

It is a deceptive number, since it divides R269708400.

It is a Duffinian number.

269708401 is a modest number, since divided by 8401 gives 2697 as remainder.

It is not an unprimeable number, because it can be changed into a prime (269702401) 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, 62101 + ... + 66301.

It is an arithmetic number, because the mean of its divisors is an integer number (18488800).

Almost surely, 2269708401 is an apocalyptic number.

269708401 is the 7345-th centered decagonal number.

It is an amenable number.

269708401 is a deficient number, since it is larger than the sum of its proper divisors (26112399).

269708401 is a wasteful number, since it uses less digits than its factorization.

269708401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 269708401 is about 16422.8012531358. The cubic root of 269708401 is about 646.0976450468.

The spelling of 269708401 in words is "two hundred sixty-nine million, seven hundred eight thousand, four hundred one".

Divisors: 1 19 31 109 589 2071 3379 4201 64201 79819 130231 457909 2474389 8700271 14195179 269708401