Search a number
-
+
274646740 = 225131104827
BaseRepresentation
bin10000010111101…
…100011011010100
3201010210111111111
4100113230123110
51030302143430
643130344404
76543313234
oct2027543324
9633714444
10274646740
11131038185
1277b8b104
1344b91b84
1428693cc4
15191a1c2a
hex105ec6d4

274646740 has 24 divisors (see below), whose sum is σ = 581166432. Its totient is φ = 109019040.

The previous prime is 274646717. The next prime is 274646759. The reversal of 274646740 is 47646472.

It is a junction number, because it is equal to n+sod(n) for n = 274646693 and 274646702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49794 + ... + 55033.

It is an arithmetic number, because the mean of its divisors is an integer number (24215268).

Almost surely, 2274646740 is an apocalyptic number.

274646740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274646740 is an abundant number, since it is smaller than the sum of its proper divisors (306519692).

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

274646740 is a wasteful number, since it uses less digits than its factorization.

274646740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104967 (or 104965 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 274646740 is about 16572.4693392385. The cubic root of 274646740 is about 650.0171514212.

The spelling of 274646740 in words is "two hundred seventy-four million, six hundred forty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 104827 209654 419308 524135 1048270 2096540 13732337 27464674 54929348 68661685 137323370 274646740