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34147850 = 25211471321
BaseRepresentation
bin1000001001000…
…0111000001010
32101020220001012
42002100320022
532220212400
63215523522
7563152262
oct202207012
971226035
1034147850
1118303870
12b5295a2
1370c7c39
14476c7a2
152ee7d35
hex2090e0a

34147850 has 48 divisors (see below), whose sum is σ = 70816896. Its totient is φ = 12144000.

The previous prime is 34147831. The next prime is 34147859. The reversal of 34147850 is 5874143.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34147859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25190 + ... + 26510.

It is an arithmetic number, because the mean of its divisors is an integer number (1475352).

Almost surely, 234147850 is an apocalyptic number.

34147850 is an abundant number, since it is smaller than the sum of its proper divisors (36669046).

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

34147850 is a wasteful number, since it uses less digits than its factorization.

34147850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 34147850 is about 5843.6161749383. The cubic root of 34147850 is about 324.4300860061.

The spelling of 34147850 in words is "thirty-four million, one hundred forty-seven thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 25 47 50 55 94 110 235 275 470 517 550 1034 1175 1321 2350 2585 2642 5170 6605 12925 13210 14531 25850 29062 33025 62087 66050 72655 124174 145310 310435 363275 620870 682957 726550 1365914 1552175 3104350 3414785 6829570 17073925 34147850