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70993416 = 233131391637
BaseRepresentation
bin1000011101101…
…00011000001000
311221120211122210
410032310120020
5121133242131
611013345120
71521301614
oct416643010
9157524583
1070993416
113708a44a
121b9381a0
1311928a50
149600344
156375146
hex43b4608

70993416 has 64 divisors (see below), whose sum is σ = 192628800. Its totient is φ = 21673728.

The previous prime is 70993409. The next prime is 70993451. The reversal of 70993416 is 61439907.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 42550 + ... + 44186.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 270993416 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 70993416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96314400).

70993416 is an abundant number, since it is smaller than the sum of its proper divisors (121635384).

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

70993416 is a wasteful number, since it uses less digits than its factorization.

70993416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 70993416 is about 8425.7590755967. The cubic root of 70993416 is about 414.0689749485.

The spelling of 70993416 in words is "seventy million, nine hundred ninety-three thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 139 156 278 312 417 556 834 1112 1637 1668 1807 3274 3336 3614 4911 5421 6548 7228 9822 10842 13096 14456 19644 21281 21684 39288 42562 43368 63843 85124 127686 170248 227543 255372 455086 510744 682629 910172 1365258 1820344 2730516 2958059 5461032 5916118 8874177 11832236 17748354 23664472 35496708 70993416