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157026343 = 271579433
BaseRepresentation
bin10010101110000…
…00100000100111
3101221110202122111
421113000200213
5310144320333
623325341451
73614462515
oct1127004047
9357422574
10157026343
1180701241
1244707887
13266bc0c6
1416bd74b5
15dbbb4cd
hex95c0827

157026343 has 4 divisors (see below), whose sum is σ = 157606048. Its totient is φ = 156446640.

The previous prime is 157026341. The next prime is 157026367. The reversal of 157026343 is 343620751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343620751 = 1791919669.

It is a cyclic number.

It is not a de Polignac number, because 157026343 - 21 = 157026341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157026341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289446 + ... + 289987.

It is an arithmetic number, because the mean of its divisors is an integer number (39401512).

Almost surely, 2157026343 is an apocalyptic number.

157026343 is a deficient number, since it is larger than the sum of its proper divisors (579705).

157026343 is an equidigital number, since it uses as much as digits as its factorization.

157026343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579704.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 157026343 is about 12531.0152421901. The cubic root of 157026343 is about 539.4992419944.

The spelling of 157026343 in words is "one hundred fifty-seven million, twenty-six thousand, three hundred forty-three".

Divisors: 1 271 579433 157026343