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52778337 = 3315411049
BaseRepresentation
bin1100100101010…
…1010101100001
310200022102021020
43021111111201
5102002401322
65123120053
71210415463
oct311252541
9120272236
1052778337
1127879167
1215813029
13ac1bbb1
14701c133
15497805c
hex3255561

52778337 has 16 divisors (see below), whose sum is σ = 72844800. Its totient is φ = 33955200.

The previous prime is 52778311. The next prime is 52778339. The reversal of 52778337 is 73387725.

It is not a de Polignac number, because 52778337 - 222 = 48584033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52778339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49789 + ... + 50837.

It is an arithmetic number, because the mean of its divisors is an integer number (4552800).

Almost surely, 252778337 is an apocalyptic number.

It is an amenable number.

52778337 is a deficient number, since it is larger than the sum of its proper divisors (20066463).

52778337 is a wasteful number, since it uses less digits than its factorization.

52778337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 246960, while the sum is 42.

The square root of 52778337 is about 7264.8700607788. The cubic root of 52778337 is about 375.1041772785.

The spelling of 52778337 in words is "fifty-two million, seven hundred seventy-eight thousand, three hundred thirty-seven".

Divisors: 1 3 31 93 541 1049 1623 3147 16771 32519 50313 97557 567509 1702527 17592779 52778337