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148368169 = 1949915649
BaseRepresentation
bin10001101011111…
…10101100101001
3101100011212212101
420311332230221
5300440240134
622420013401
73451052155
oct1065765451
9340155771
10148368169
1176828224
1241831261
132497a221
14159c2065
15d05ae14
hex8d7eb29

148368169 has 8 divisors (see below), whose sum is σ = 156500000. Its totient is φ = 140268672.

The previous prime is 148368167. The next prime is 148368179. The reversal of 148368169 is 961863841.

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

It is a cyclic number.

It is not a de Polignac number, because 148368169 - 21 = 148368167 is a prime.

It is a super-2 number, since 2×1483681692 = 44026227144825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148368167) 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, 1657 + ... + 17305.

It is an arithmetic number, because the mean of its divisors is an integer number (19562500).

Almost surely, 2148368169 is an apocalyptic number.

148368169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

148368169 is the 7033-rd hex number.

It is an amenable number.

148368169 is a deficient number, since it is larger than the sum of its proper divisors (8131831).

148368169 is a wasteful number, since it uses less digits than its factorization.

148368169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167.

The product of its digits is 248832, while the sum is 46.

The square root of 148368169 is about 12180.6473144903. The cubic root of 148368169 is about 529.3955004195.

It can be divided in two parts, 14836 and 8169, that added together give a triangular number (23005 = T214).

The spelling of 148368169 in words is "one hundred forty-eight million, three hundred sixty-eight thousand, one hundred sixty-nine".

Divisors: 1 19 499 9481 15649 297331 7808851 148368169