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26972361 = 3213269857
BaseRepresentation
bin110011011100…
…1000011001001
31212202100010100
41212321003021
523401103421
62402040013
7445155423
oct146710311
955670110
1026972361
1114252809
129049009
135784ba0
143821813
15257bc26
hex19b90c9

26972361 has 24 divisors (see below), whose sum is σ = 42162120. Its totient is φ = 16517376.

The previous prime is 26972339. The next prime is 26972401. The reversal of 26972361 is 16327962.

26972361 = 10062 + 10072 + ... + 10312.

It can be written as a sum of positive squares in 4 ways, for example, as 962361 + 26010000 = 981^2 + 5100^2 .

It is not a de Polignac number, because 26972361 - 213 = 26964169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26972161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31045 + ... + 31901.

It is an arithmetic number, because the mean of its divisors is an integer number (1756755).

Almost surely, 226972361 is an apocalyptic number.

It is an amenable number.

26972361 is a deficient number, since it is larger than the sum of its proper divisors (15189759).

26972361 is a wasteful number, since it uses less digits than its factorization.

26972361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 26972361 is about 5193.4921777163. The cubic root of 26972361 is about 299.8975983837.

It can be divided in two parts, 269 and 72361, that multiplied together give a cube (19465109 = 2693).

The spelling of 26972361 in words is "twenty-six million, nine hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 3 9 13 39 117 269 807 857 2421 2571 3497 7713 10491 11141 31473 33423 100269 230533 691599 2074797 2996929 8990787 26972361