Search a number
-
+
70109406 = 2323979811
BaseRepresentation
bin1000010110111…
…00100011011110
311212220221000200
410023130203132
5120422000111
610542404330
71510630413
oct413344336
9155827020
1070109406
1136636264
121b5906a6
13116a9573
14945010a
15624d256
hex42dc8de

70109406 has 24 divisors (see below), whose sum is σ = 152301864. Its totient is φ = 23308560.

The previous prime is 70109401. The next prime is 70109437. The reversal of 70109406 is 60490107.

It is a self number, because there is not a number n which added to its sum of digits gives 70109406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70109401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2241 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (6345911).

Almost surely, 270109406 is an apocalyptic number.

70109406 is an abundant number, since it is smaller than the sum of its proper divisors (82192458).

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

70109406 is a wasteful number, since it uses less digits than its factorization.

70109406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216 (or 10213 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70109406 is about 8373.1359716656. The cubic root of 70109406 is about 412.3431293315.

The spelling of 70109406 in words is "seventy million, one hundred nine thousand, four hundred six".

Divisors: 1 2 3 6 9 18 397 794 1191 2382 3573 7146 9811 19622 29433 58866 88299 176598 3894967 7789934 11684901 23369802 35054703 70109406