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52153045 = 571579491
BaseRepresentation
bin1100011011110…
…0101011010101
310122010122112021
43012330223111
5101322344140
65101453141
71202202460
oct306745325
9118118467
1052153045
112749139a
12155711b1
13aa603b9
146cd82d7
1548a2b4a
hex31bcad5

52153045 has 16 divisors (see below), whose sum is σ = 71987328. Its totient is φ = 35530560.

The previous prime is 52153019. The next prime is 52153051. The reversal of 52153045 is 54035125.

It is not a de Polignac number, because 52153045 - 223 = 43764437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (4499208).

Almost surely, 252153045 is an apocalyptic number.

It is an amenable number.

52153045 is a deficient number, since it is larger than the sum of its proper divisors (19834283).

52153045 is a wasteful number, since it uses less digits than its factorization.

52153045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52153045 is about 7221.7065157759. The cubic root of 52153045 is about 373.6169379016.

The spelling of 52153045 in words is "fifty-two million, one hundred fifty-three thousand, forty-five".

Divisors: 1 5 7 35 157 785 1099 5495 9491 47455 66437 332185 1490087 7450435 10430609 52153045