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53438372 = 22134212441
BaseRepresentation
bin1100101111011…
…0011110100100
310201112221122222
43023312132210
5102140011442
65145211512
71216135001
oct313663644
9121487588
1053438372
112818a049
1215a90b98
13b0c0450
1471508a8
154a588d2
hex32f67a4

53438372 has 24 divisors (see below), whose sum is σ = 100991352. Its totient is φ = 24595200.

The previous prime is 53438369. The next prime is 53438377. The reversal of 53438372 is 27383435.

It can be written as a sum of positive squares in 4 ways, for example, as 7929856 + 45508516 = 2816^2 + 6746^2 .

It is not an unprimeable number, because it can be changed into a prime (53438377) 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, 20672 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (4207973).

Almost surely, 253438372 is an apocalyptic number.

53438372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53438372 is a deficient number, since it is larger than the sum of its proper divisors (47552980).

53438372 is a wasteful number, since it uses less digits than its factorization.

53438372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2877 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 53438372 is about 7310.1554019049. The cubic root of 53438372 is about 376.6613624265.

The spelling of 53438372 in words is "fifty-three million, four hundred thirty-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 421 842 1684 2441 4882 5473 9764 10946 21892 31733 63466 126932 1027661 2055322 4110644 13359593 26719186 53438372