Search a number
-
+
9212008494 = 2313241221581
BaseRepresentation
bin10001001010001010…
…00001100000101110
3212210000000111222210
420211011001200232
5122331233232434
64122033151250
7444165531423
oct104505014056
925700014883
109212008494
1139a7a36367
1219510bb526
13b3a680400
14635641d4a
1538db08ee9
hex22514182e

9212008494 has 48 divisors (see below), whose sum is σ = 20436951024. Its totient is φ = 2765318400.

The previous prime is 9212008447. The next prime is 9212008499. The reversal of 9212008494 is 4948002129.

It is a super-2 number, since 2×92120084942 (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212008499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69217 + ... + 152364.

It is an arithmetic number, because the mean of its divisors is an integer number (425769813).

Almost surely, 29212008494 is an apocalyptic number.

9212008494 is an abundant number, since it is smaller than the sum of its proper divisors (11224942530).

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

9212008494 is a wasteful number, since it uses less digits than its factorization.

9212008494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221653 (or 221640 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 9212008494 is about 95979.2086547915. The cubic root of 9212008494 is about 2096.2903892224.

The spelling of 9212008494 in words is "nine billion, two hundred twelve million, eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 41 78 82 123 169 246 338 507 533 1014 1066 1599 3198 6929 13858 20787 41574 221581 443162 664743 1329486 2880553 5761106 8641659 9084821 17283318 18169642 27254463 37447189 54508926 74894378 112341567 118102673 224683134 236205346 354308019 708616038 1535334749 3070669498 4606004247 9212008494