Search a number
-
+
52167138 = 2367129769
BaseRepresentation
bin1100011100000…
…0000111100010
310122011100212020
43013000013202
5101323322023
65102042310
71202261532
oct307000742
9118140766
1052167138
11274a0a41
1215579396
13aa6693a
146cdd4c2
1548a6de3
hex31c01e2

52167138 has 16 divisors (see below), whose sum is σ = 105892320. Its totient is φ = 17129376.

The previous prime is 52167121. The next prime is 52167149. The reversal of 52167138 is 83176125.

It is a super-2 number, since 2×521671382 = 5442820574222088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52167099 and 52167108.

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, 64483 + ... + 65286.

It is an arithmetic number, because the mean of its divisors is an integer number (6618270).

Almost surely, 252167138 is an apocalyptic number.

52167138 is an abundant number, since it is smaller than the sum of its proper divisors (53725182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52167138 is a wasteful number, since it uses less digits than its factorization.

52167138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129841.

The product of its digits is 10080, while the sum is 33.

The square root of 52167138 is about 7222.6821887717. The cubic root of 52167138 is about 373.6505882813.

The spelling of 52167138 in words is "fifty-two million, one hundred sixty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 67 134 201 402 129769 259538 389307 778614 8694523 17389046 26083569 52167138