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53023505 = 530734543
BaseRepresentation
bin1100101001000…
…1001100010001
310200202212120112
43022101030101
5102033223010
65132251105
71212456323
oct312211421
9120685515
1053023505
1127a26387
1215910a95
13aca6672
147083613
1549c5a05
hex3291311

53023505 has 8 divisors (see below), whose sum is σ = 63837312. Its totient is φ = 42279408.

The previous prime is 53023483. The next prime is 53023541. The reversal of 53023505 is 50532035.

It is a happy number.

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 53023505 - 28 = 53023249 is a prime.

It is a super-2 number, since 2×530235052 = 5622984164970050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15737 + ... + 18806.

It is an arithmetic number, because the mean of its divisors is an integer number (7979664).

Almost surely, 253023505 is an apocalyptic number.

It is an amenable number.

53023505 is a deficient number, since it is larger than the sum of its proper divisors (10813807).

53023505 is a wasteful number, since it uses less digits than its factorization.

53023505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34855.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53023505 is about 7281.7240403630. The cubic root of 53023505 is about 375.6840964584.

The spelling of 53023505 in words is "fifty-three million, twenty-three thousand, five hundred five".

Divisors: 1 5 307 1535 34543 172715 10604701 53023505