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70214320 = 24511731093
BaseRepresentation
bin1000010111101…
…10001010110000
311220010020221101
410023312022300
5120433324240
610544534144
71511545321
oct413661260
9156106841
1070214320
11366a8070
121b621354
1311715247
14947a448
15626e39a
hex42f62b0

70214320 has 80 divisors (see below), whose sum is σ = 180693792. Its totient is φ = 25159680.

The previous prime is 70214311. The next prime is 70214341. The reversal of 70214320 is 2341207.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63694 + ... + 64786.

Almost surely, 270214320 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 70214320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90346896).

70214320 is an abundant number, since it is smaller than the sum of its proper divisors (110479472).

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

70214320 is a wasteful number, since it uses less digits than its factorization.

70214320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70214320 is about 8379.3985464352. The cubic root of 70214320 is about 412.5487080530.

Adding to 70214320 its reverse (2341207), we get a palindrome (72555527).

The spelling of 70214320 in words is "seventy million, two hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 73 80 88 110 146 176 220 292 365 440 584 730 803 880 1093 1168 1460 1606 2186 2920 3212 4015 4372 5465 5840 6424 8030 8744 10930 12023 12848 16060 17488 21860 24046 32120 43720 48092 60115 64240 79789 87440 96184 120230 159578 192368 240460 319156 398945 480920 638312 797890 877679 961840 1276624 1595780 1755358 3191560 3510716 4388395 6383120 7021432 8776790 14042864 17553580 35107160 70214320