Search a number
-
+
51234436 = 22111164419
BaseRepresentation
bin1100001101110…
…0011010000100
310120101222102201
43003130122010
5101104000221
65030044244
71161325351
oct303343204
9116358381
1051234436
1126a14210
12151a9684
13a7cb246
146b39628
154770891
hex30dc684

51234436 has 12 divisors (see below), whose sum is σ = 97811280. Its totient is φ = 23288360.

The previous prime is 51234433. The next prime is 51234439. The reversal of 51234436 is 63443215.

It is an interprime number because it is at equal distance from previous prime (51234433) and next prime (51234439).

It is not an unprimeable number, because it can be changed into a prime (51234433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582166 + ... + 582253.

It is an arithmetic number, because the mean of its divisors is an integer number (8150940).

Almost surely, 251234436 is an apocalyptic number.

It is an amenable number.

51234436 is a deficient number, since it is larger than the sum of its proper divisors (46576844).

51234436 is a wasteful number, since it uses less digits than its factorization.

51234436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164434 (or 1164432 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 51234436 is about 7157.8234121833. The cubic root of 51234436 is about 371.4103368619.

It can be divided in two parts, 5123 and 4436, that added together give a palindrome (9559).

The spelling of 51234436 in words is "fifty-one million, two hundred thirty-four thousand, four hundred thirty-six".

Divisors: 1 2 4 11 22 44 1164419 2328838 4657676 12808609 25617218 51234436