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742131030 = 23524737701
BaseRepresentation
bin101100001111000…
…000010101010110
31220201110011101110
4230033000111112
53004441143110
6201350235450
724251003214
oct5417002526
91821404343
10742131030
11350a06033
12188655b86
13ba9a0bb4
14707c3cb4
1545245a20
hex2c3c0556

742131030 has 16 divisors (see below), whose sum is σ = 1781114544. Its totient is φ = 197901600.

The previous prime is 742131011. The next prime is 742131031. The reversal of 742131030 is 30131247.

It is a junction number, because it is equal to n+sod(n) for n = 742130988 and 742131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742131031) 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, 12368821 + ... + 12368880.

It is an arithmetic number, because the mean of its divisors is an integer number (111319659).

Almost surely, 2742131030 is an apocalyptic number.

742131030 is an abundant number, since it is smaller than the sum of its proper divisors (1038983514).

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

742131030 is a wasteful number, since it uses less digits than its factorization.

742131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24737711.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 742131030 is about 27242.0819688951. The cubic root of 742131030 is about 905.3715922629.

Adding to 742131030 its reverse (30131247), we get a palindrome (772262277).

The spelling of 742131030 in words is "seven hundred forty-two million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 24737701 49475402 74213103 123688505 148426206 247377010 371065515 742131030