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34890480 = 2433529557
BaseRepresentation
bin1000010100011…
…0001011110000
32102122121202000
42011012023300
532412443410
63243454000
7602364342
oct205061360
972577660
1034890480
1118770809
12b827300
1372c7c71
1448c3292
1530e2dc0
hex21462f0

34890480 has 160 divisors (see below), whose sum is σ = 124545600. Its totient is φ = 8967168.

The previous prime is 34890439. The next prime is 34890491. The reversal of 34890480 is 8409843.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62362 + ... + 62918.

It is an arithmetic number, because the mean of its divisors is an integer number (778410).

Almost surely, 234890480 is an apocalyptic number.

34890480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34890480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62272800).

34890480 is an abundant number, since it is smaller than the sum of its proper divisors (89655120).

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

34890480 is a wasteful number, since it uses less digits than its factorization.

34890480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 34890480 is about 5906.8164014129. The cubic root of 34890480 is about 326.7650867311.

The spelling of 34890480 in words is "thirty-four million, eight hundred ninety thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 36 40 45 48 54 58 60 72 80 87 90 108 116 120 135 144 145 174 180 216 232 240 261 270 290 348 360 432 435 464 522 540 557 580 696 720 783 870 1044 1080 1114 1160 1305 1392 1566 1671 1740 2088 2160 2228 2320 2610 2785 3132 3342 3480 3915 4176 4456 5013 5220 5570 6264 6684 6960 7830 8355 8912 10026 10440 11140 12528 13368 15039 15660 16153 16710 20052 20880 22280 25065 26736 30078 31320 32306 33420 40104 44560 48459 50130 60156 62640 64612 66840 75195 80208 80765 96918 100260 120312 129224 133680 145377 150390 161530 193836 200520 240624 242295 258448 290754 300780 323060 387672 401040 436131 484590 581508 601560 646120 726885 775344 872262 969180 1163016 1203120 1292240 1453770 1744524 1938360 2180655 2326032 2907540 3489048 3876720 4361310 5815080 6978096 8722620 11630160 17445240 34890480