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105157229 = 196190731
BaseRepresentation
bin1100100010010…
…01001001101101
321022212112121012
412101021021231
5203410012404
614233515005
72414551562
oct621111155
9238775535
10105157229
11543a4201
122b272a65
1318a2b018
14dd74869
159372a6e
hex644926d

105157229 has 8 divisors (see below), whose sum is σ = 112507680. Its totient is φ = 97988400.

The previous prime is 105157193. The next prime is 105157243. The reversal of 105157229 is 922751501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105157229 is a prime.

It is a super-2 number, since 2×1051572292 = 22116085621916882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105157195 and 105157204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105157249) 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, 44207 + ... + 46524.

It is an arithmetic number, because the mean of its divisors is an integer number (14063460).

Almost surely, 2105157229 is an apocalyptic number.

105157229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105157229 is a deficient number, since it is larger than the sum of its proper divisors (7350451).

105157229 is an equidigital number, since it uses as much as digits as its factorization.

105157229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90811.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 105157229 is about 10254.6198856905. The cubic root of 105157229 is about 472.0047594201.

The spelling of 105157229 in words is "one hundred five million, one hundred fifty-seven thousand, two hundred twenty-nine".

Divisors: 1 19 61 1159 90731 1723889 5534591 105157229