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51142035 = 3572174093
BaseRepresentation
bin1100001100010…
…1110110010011
310120020021200110
43003011312103
5101043021120
65024052403
71160462100
oct303056623
9116207613
1051142035
112696084a
1215164103
13a798179
146b13aa7
1547532e0
hex30c5d93

51142035 has 48 divisors (see below), whose sum is σ = 100810656. Its totient is φ = 21998592.

The previous prime is 51142031. The next prime is 51142061. The reversal of 51142035 is 53024115.

51142035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51142035 - 22 = 51142031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (51142031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10449 + ... + 14541.

It is an arithmetic number, because the mean of its divisors is an integer number (2100222).

Almost surely, 251142035 is an apocalyptic number.

51142035 is a deficient number, since it is larger than the sum of its proper divisors (49668621).

51142035 is a wasteful number, since it uses less digits than its factorization.

51142035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51142035 is about 7151.3659534385. The cubic root of 51142035 is about 371.1869237236.

It can be divided in two parts, 5 and 1142035, that multiplied together give a palindrome (5710175).

The spelling of 51142035 in words is "fifty-one million, one hundred forty-two thousand, thirty-five".

Divisors: 1 3 5 7 15 17 21 35 49 51 85 105 119 147 245 255 357 595 735 833 1785 2499 4093 4165 12279 12495 20465 28651 61395 69581 85953 143255 200557 208743 347905 429765 487067 601671 1002785 1043715 1461201 2435335 3008355 3409469 7306005 10228407 17047345 51142035