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157026246 = 231317791499
BaseRepresentation
bin10010101110000…
…00011111000110
3101221110202111220
421113000133012
5310144314441
623325341210
73614462316
oct1127003706
9357422456
10157026246
1180701163
1244707806
13266bc050
1416bd7446
15dbbb466
hex95c07c6

157026246 has 64 divisors (see below), whose sum is σ = 362880000. Its totient is φ = 44868096.

The previous prime is 157026217. The next prime is 157026251. The reversal of 157026246 is 642620751.

157026246 = 11002 + 11012 + ... + 12162.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 104005 + ... + 105503.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2157026246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157026246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181440000).

157026246 is an abundant number, since it is smaller than the sum of its proper divisors (205853754).

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

157026246 is a wasteful number, since it uses less digits than its factorization.

157026246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 157026246 is about 12531.0113717928. The cubic root of 157026246 is about 539.4991309059.

Adding to 157026246 its reverse (642620751), we get a palindrome (799646997).

The spelling of 157026246 in words is "one hundred fifty-seven million, twenty-six thousand, two hundred forty-six".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 79 102 158 221 237 442 474 663 1027 1326 1343 1499 2054 2686 2998 3081 4029 4497 6162 8058 8994 17459 19487 25483 34918 38974 50966 52377 58461 76449 104754 116922 118421 152898 236842 331279 355263 662558 710526 993837 1539473 1987674 2013157 3078946 4026314 4618419 6039471 9236838 12078942 26171041 52342082 78513123 157026246