Search a number
-
+
70141256 = 2329437989
BaseRepresentation
bin1000010111001…
…00010101001000
311212222112201022
410023210111020
5120424010011
610543212012
71511122313
oct413442510
9155875638
1070141256
1136658189
121b5a7008
13116bac03
14945b97a
1562578db
hex42e4548

70141256 has 64 divisors (see below), whose sum is σ = 142560000. Its totient is φ = 32288256.

The previous prime is 70141243. The next prime is 70141261. The reversal of 70141256 is 65214107.

It is an alternating number because its digits alternate between odd and even.

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, 788060 + ... + 788148.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 270141256 is an apocalyptic number.

It is an amenable number.

70141256 is an abundant number, since it is smaller than the sum of its proper divisors (72418744).

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

70141256 is a wasteful number, since it uses less digits than its factorization.

70141256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70141256 is about 8375.0376715571. The cubic root of 70141256 is about 412.4055609945.

The spelling of 70141256 in words is "seventy million, one hundred forty-one thousand, two hundred fifty-six".

Divisors: 1 2 4 8 29 43 58 79 86 89 116 158 172 178 232 316 344 356 632 712 1247 2291 2494 2581 3397 3827 4582 4988 5162 6794 7031 7654 9164 9976 10324 13588 14062 15308 18328 20648 27176 28124 30616 56248 98513 110983 197026 203899 221966 302333 394052 407798 443932 604666 788104 815596 887864 1209332 1631192 2418664 8767657 17535314 35070628 70141256