Search a number
-
+
70994580 = 22352295167
BaseRepresentation
bin1000011101101…
…00101010010100
311221120220020220
410032310222110
5121133311310
611013354340
71521305166
oct416645224
9157526226
1070994580
1137090308
121b9389b0
1311929437
149600936
156375670
hex43b4a94

70994580 has 48 divisors (see below), whose sum is σ = 199691520. Its totient is φ = 18845568.

The previous prime is 70994579. The next prime is 70994587. The reversal of 70994580 is 8549907.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70994587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11157 + ... + 16323.

It is an arithmetic number, because the mean of its divisors is an integer number (4160240).

Almost surely, 270994580 is an apocalyptic number.

It is an amenable number.

70994580 is an abundant number, since it is smaller than the sum of its proper divisors (128696940).

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

70994580 is a wasteful number, since it uses less digits than its factorization.

70994580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 5406 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70994580 is about 8425.8281492088. The cubic root of 70994580 is about 414.0712379454.

The spelling of 70994580 in words is "seventy million, nine hundred ninety-four thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 229 458 687 916 1145 1374 2290 2748 3435 4580 5167 6870 10334 13740 15501 20668 25835 31002 51670 62004 77505 103340 155010 310020 1183243 2366486 3549729 4732972 5916215 7099458 11832430 14198916 17748645 23664860 35497290 70994580