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157822093 = 11138313297
BaseRepresentation
bin10010110100000…
…10110010001101
3101222222012012201
421122002302031
5310400301333
623354401501
73624315502
oct1132026215
9358865181
10157822093
11810a5090
1244a30291
132690a370
1416d634a9
15dcc717d
hex9682c8d

157822093 has 16 divisors (see below), whose sum is σ = 187661376. Its totient is φ = 130832640.

The previous prime is 157822073. The next prime is 157822103. The reversal of 157822093 is 390228751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157822093 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 (157822003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5221 + ... + 18517.

It is an arithmetic number, because the mean of its divisors is an integer number (11728836).

Almost surely, 2157822093 is an apocalyptic number.

157822093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157822093 is a deficient number, since it is larger than the sum of its proper divisors (29839283).

157822093 is a wasteful number, since it uses less digits than its factorization.

157822093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 157822093 is about 12562.7263362695. The cubic root of 157822093 is about 540.4090327994.

The spelling of 157822093 in words is "one hundred fifty-seven million, eight hundred twenty-two thousand, ninety-three".

Divisors: 1 11 13 83 143 913 1079 11869 13297 146267 172861 1103651 1901471 12140161 14347463 157822093