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53740038 = 2311814243
BaseRepresentation
bin1100110100000…
…0001000000110
310202010021110210
43031000020012
5102224140123
65155500250
71221532332
oct315001006
9122107423
1053740038
1128375760
1215bb7686
13b197851
1471cc7c2
154ab7e93
hex3340206

53740038 has 16 divisors (see below), whose sum is σ = 117251136. Its totient is φ = 16284840.

The previous prime is 53740033. The next prime is 53740051. The reversal of 53740038 is 83004735.

It is a junction number, because it is equal to n+sod(n) for n = 53739987 and 53740014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53740033) 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, 407056 + ... + 407187.

It is an arithmetic number, because the mean of its divisors is an integer number (7328196).

Almost surely, 253740038 is an apocalyptic number.

53740038 is an abundant number, since it is smaller than the sum of its proper divisors (63511098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53740038 is a wasteful number, since it uses less digits than its factorization.

53740038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814259.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 53740038 is about 7330.7597150636. The cubic root of 53740038 is about 377.3687990474.

The spelling of 53740038 in words is "fifty-three million, seven hundred forty thousand, thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 814243 1628486 2442729 4885458 8956673 17913346 26870019 53740038