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169150032 = 2434130517
BaseRepresentation
bin10100001010100…
…00011001010000
3102210021201020000
422011100121100
5321300300112
624441250000
74122515532
oct1205203120
9383251200
10169150032
1187531a17
1248793900
132907549c
1418671852
15ecb37dc
hexa150650

169150032 has 50 divisors (see below), whose sum is σ = 489573018. Its totient is φ = 56382912.

The previous prime is 169150031. The next prime is 169150057. The reversal of 169150032 is 230051961.

It can be written as a sum of positive squares in only one way, i.e., 168896016 + 254016 = 12996^2 + 504^2 .

It is a super-2 number, since 2×1691500322 = 57223466651202048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 169149978 and 169150005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169150031) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 63963 + ... + 66554.

Almost surely, 2169150032 is an apocalyptic number.

169150032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

169150032 is an abundant number, since it is smaller than the sum of its proper divisors (320422986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169150032 is a wasteful number, since it uses less digits than its factorization.

169150032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130537 (or 130522 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 169150032 is about 13005.7691814056. The cubic root of 169150032 is about 553.0410410916.

The spelling of 169150032 in words is "one hundred sixty-nine million, one hundred fifty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 130517 261034 391551 522068 783102 1044136 1174653 1566204 2088272 2349306 3132408 3523959 4698612 6264816 7047918 9397224 10571877 14095836 18794448 21143754 28191672 42287508 56383344 84575016 169150032