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69148212 = 22372235113
BaseRepresentation
bin1000001111100…
…01111000110100
311211010002111220
410013301320310
5120200220322
610510030340
71466515200
oct407617064
9154102456
1069148212
113603a091
121b1a83b0
1311430c03
14927db00
15610d55c
hex41f1e34

69148212 has 72 divisors (see below), whose sum is σ = 195886656. Its totient is φ = 18893952.

The previous prime is 69148193. The next prime is 69148243. The reversal of 69148212 is 21284196.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10968 + ... + 16080.

It is an arithmetic number, because the mean of its divisors is an integer number (2720648).

Almost surely, 269148212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69148212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97943328).

69148212 is an abundant number, since it is smaller than the sum of its proper divisors (126738444).

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

69148212 is a wasteful number, since it uses less digits than its factorization.

69148212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157 (or 5148 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 69148212 is about 8315.5403913396. The cubic root of 69148212 is about 410.4500550721.

The spelling of 69148212 in words is "sixty-nine million, one hundred forty-eight thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 483 588 644 966 1127 1932 2254 3381 4508 5113 6762 10226 13524 15339 20452 30678 35791 61356 71582 107373 117599 143164 214746 235198 250537 352797 429492 470396 501074 705594 751611 823193 1002148 1411188 1503222 1646386 2469579 3006444 3292772 4939158 5762351 9878316 11524702 17287053 23049404 34574106 69148212