Search a number
-
+
126494840 = 23541137563
BaseRepresentation
bin1111000101000…
…10100001111000
322211000121022002
413202202201320
5224340313330
620315120132
73064121423
oct742424170
9284017262
10126494840
116544849a
1236443048
132028c224
1412b2a9ba
15b189e45
hex78a2878

126494840 has 64 divisors (see below), whose sum is σ = 294204960. Its totient is φ = 48916480.

The previous prime is 126494833. The next prime is 126494869. The reversal of 126494840 is 48494621.

It is a junction number, because it is equal to n+sod(n) for n = 126494794 and 126494803.

It is a congruent number.

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, 224399 + ... + 224961.

Almost surely, 2126494840 is an apocalyptic number.

126494840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126494840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147102480).

126494840 is an abundant number, since it is smaller than the sum of its proper divisors (167710120).

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

126494840 is a wasteful number, since it uses less digits than its factorization.

126494840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 126494840 is about 11246.9924868829. The cubic root of 126494840 is about 501.9852273130.

The spelling of 126494840 in words is "one hundred twenty-six million, four hundred ninety-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 41 82 137 164 205 274 328 410 548 563 685 820 1096 1126 1370 1640 2252 2740 2815 4504 5480 5617 5630 11234 11260 22468 22520 23083 28085 44936 46166 56170 77131 92332 112340 115415 154262 184664 224680 230830 308524 385655 461660 617048 771310 923320 1542620 3085240 3162371 6324742 12649484 15811855 25298968 31623710 63247420 126494840