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157871414 = 2127621541
BaseRepresentation
bin10010110100011…
…10110100110110
3102000001200212102
421122032310312
5310403341124
623355422102
73624612341
oct1132166466
9360050772
10157871414
1181129148
1244a54932
132692694c
1416d77458
15dcd6aae
hex968ed36

157871414 has 8 divisors (see below), whose sum is σ = 238672128. Its totient is φ = 78314040.

The previous prime is 157871387. The next prime is 157871419. The reversal of 157871414 is 414178751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157871419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310517 + ... + 311024.

It is an arithmetic number, because the mean of its divisors is an integer number (29834016).

Almost surely, 2157871414 is an apocalyptic number.

157871414 is a deficient number, since it is larger than the sum of its proper divisors (80800714).

157871414 is a wasteful number, since it uses less digits than its factorization.

157871414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621670.

The product of its digits is 31360, while the sum is 38.

The square root of 157871414 is about 12564.6891724388. The cubic root of 157871414 is about 540.4653213654.

The spelling of 157871414 in words is "one hundred fifty-seven million, eight hundred seventy-one thousand, four hundred fourteen".

Divisors: 1 2 127 254 621541 1243082 78935707 157871414