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53697241 = 1329142433
BaseRepresentation
bin1100110011010…
…1101011011001
310202001002202201
43030311223121
5102221302431
65154530201
71221263503
oct314655331
9122032681
1053697241
1128346594
1215b96961
13b181220
1471bad73
154aaa461
hex3335ad9

53697241 has 8 divisors (see below), whose sum is σ = 59822280. Its totient is φ = 47857152.

The previous prime is 53697227. The next prime is 53697277. The reversal of 53697241 is 14279635.

It can be written as a sum of positive squares in 4 ways, for example, as 6911641 + 46785600 = 2629^2 + 6840^2 .

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 53697241 - 27 = 53697113 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 53697241.

It is not an unprimeable number, because it can be changed into a prime (53697221) 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, 70840 + ... + 71593.

It is an arithmetic number, because the mean of its divisors is an integer number (7477785).

Almost surely, 253697241 is an apocalyptic number.

It is an amenable number.

53697241 is a deficient number, since it is larger than the sum of its proper divisors (6125039).

53697241 is a wasteful number, since it uses less digits than its factorization.

53697241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142475.

The product of its digits is 45360, while the sum is 37.

The square root of 53697241 is about 7327.8401319898. The cubic root of 53697241 is about 377.2685972724.

The spelling of 53697241 in words is "fifty-three million, six hundred ninety-seven thousand, two hundred forty-one".

Divisors: 1 13 29 377 142433 1851629 4130557 53697241