Search a number
-
+
612923874 = 23293522551
BaseRepresentation
bin100100100010000…
…111100111100010
31120201022202111020
4210202013213202
52223402030444
6140453030310
721121524033
oct4442074742
91521282436
10612923874
11294a85862
12151325396
1399ca2264
145b58ca8a
1538c22119
hex248879e2

612923874 has 16 divisors (see below), whose sum is σ = 1268118720. Its totient is φ = 197262800.

The previous prime is 612923873. The next prime is 612923879. The reversal of 612923874 is 478329216.

It is a super-4 number, since 4×6129238744 (a number of 36 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (612923873) 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 7 ways as a sum of consecutive naturals, for example, 1761102 + ... + 1761449.

It is an arithmetic number, because the mean of its divisors is an integer number (79257420).

Almost surely, 2612923874 is an apocalyptic number.

612923874 is an abundant number, since it is smaller than the sum of its proper divisors (655194846).

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

612923874 is a wasteful number, since it uses less digits than its factorization.

612923874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522585.

The product of its digits is 145152, while the sum is 42.

The square root of 612923874 is about 24757.2994084573. The cubic root of 612923874 is about 849.4454856197.

It can be divided in two parts, 6129 and 23874, that added together give a palindrome (30003).

The spelling of 612923874 in words is "six hundred twelve million, nine hundred twenty-three thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 29 58 87 174 3522551 7045102 10567653 21135306 102153979 204307958 306461937 612923874