Search a number
-
+
61053565 = 516997187
BaseRepresentation
bin1110100011100…
…1101001111101
311020212211202011
43220321221331
5111112203230
610020331221
71340642506
oct350715175
9136784664
1061053565
11315104a1
1218543b11
13c858691
148173bad
15555ee2a
hex3a39a7d

61053565 has 8 divisors (see below), whose sum is σ = 73317600. Its totient is φ = 48807312.

The previous prime is 61053563. The next prime is 61053583. The reversal of 61053565 is 56535016.

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 61053565 - 21 = 61053563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61053563) 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, 4902 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (9164700).

Almost surely, 261053565 is an apocalyptic number.

It is an amenable number.

61053565 is a deficient number, since it is larger than the sum of its proper divisors (12264035).

61053565 is a wasteful number, since it uses less digits than its factorization.

61053565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 61053565 is about 7813.6780711775. The cubic root of 61053565 is about 393.7649078088.

The spelling of 61053565 in words is "sixty-one million, fifty-three thousand, five hundred sixty-five".

Divisors: 1 5 1699 7187 8495 35935 12210713 61053565