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34129480 = 23572111583
BaseRepresentation
bin1000001000110…
…0011001001000
32101012221211211
42002030121020
532214120410
63215302504
7563044600
oct202143110
971187754
1034129480
11182a0a90
12b51aa34
1370bc778
144765c00
152ee268a
hex208c648

34129480 has 96 divisors (see below), whose sum is σ = 97511040. Its totient is φ = 10631040.

The previous prime is 34129477. The next prime is 34129483. The reversal of 34129480 is 8492143.

It is an interprime number because it is at equal distance from previous prime (34129477) and next prime (34129483).

It is not an unprimeable number, because it can be changed into a prime (34129483) 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, 20769 + ... + 22351.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740).

Almost surely, 234129480 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 34129480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48755520).

34129480 is an abundant number, since it is smaller than the sum of its proper divisors (63381560).

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

34129480 is a wasteful number, since it uses less digits than its factorization.

34129480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34129480 is about 5842.0441627910. The cubic root of 34129480 is about 324.3718993297.

The spelling of 34129480 in words is "thirty-four million, one hundred twenty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 49 55 56 70 77 88 98 110 140 154 196 220 245 280 308 385 392 440 490 539 616 770 980 1078 1540 1583 1960 2156 2695 3080 3166 4312 5390 6332 7915 10780 11081 12664 15830 17413 21560 22162 31660 34826 44324 55405 63320 69652 77567 87065 88648 110810 121891 139304 155134 174130 221620 243782 310268 348260 387835 443240 487564 609455 620536 696520 775670 853237 975128 1218910 1551340 1706474 2437820 3102680 3412948 4266185 4875640 6825896 8532370 17064740 34129480