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34147380 = 22354712109
BaseRepresentation
bin1000001001000…
…0110000110100
32101020212101210
42002100300310
532220204010
63215521420
7563151021
oct202206064
971225353
1034147380
1118303483
12b529270
1370c7967
14476c548
152ee7b20
hex2090c34

34147380 has 48 divisors (see below), whose sum is σ = 97655040. Its totient is φ = 8911488.

The previous prime is 34147369. The next prime is 34147381. The reversal of 34147380 is 8374143.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34147381) 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, 3235 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (2034480).

Almost surely, 234147380 is an apocalyptic number.

34147380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34147380 is an abundant number, since it is smaller than the sum of its proper divisors (63507660).

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

34147380 is a wasteful number, since it uses less digits than its factorization.

34147380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168 (or 12166 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 34147380 is about 5843.5759599752. The cubic root of 34147380 is about 324.4285975489.

The spelling of 34147380 in words is "thirty-four million, one hundred forty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 12109 24218 36327 48436 60545 72654 121090 145308 181635 242180 363270 569123 726540 1138246 1707369 2276492 2845615 3414738 5691230 6829476 8536845 11382460 17073690 34147380