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1242350734 = 215716092459
BaseRepresentation
bin100101000001100…
…1100010010001110
310012120200221211011
41022003030102032
510021020210414
6323135515434
742533543542
oct11203142216
93176627734
101242350734
11588302549
122a8088b7a
1316a501ca1
14badd5a22
1574103dc4
hex4a0cc48e

1242350734 has 16 divisors (see below), whose sum is σ = 1877324400. Its totient is φ = 616584384.

The previous prime is 1242350731. The next prime is 1242350743. The reversal of 1242350734 is 4370532421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1242350696 and 1242350705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242350731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503997 + ... + 506455.

It is an arithmetic number, because the mean of its divisors is an integer number (117332775).

Almost surely, 21242350734 is an apocalyptic number.

1242350734 is a deficient number, since it is larger than the sum of its proper divisors (634973666).

1242350734 is a wasteful number, since it uses less digits than its factorization.

1242350734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1242350734 is about 35246.9960989586. The cubic root of 1242350734 is about 1075.0155350919.

The spelling of 1242350734 in words is "one billion, two hundred forty-two million, three hundred fifty thousand, seven hundred thirty-four".

Divisors: 1 2 157 314 1609 2459 3218 4918 252613 386063 505226 772126 3956531 7913062 621175367 1242350734