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2993740 = 225181827
BaseRepresentation
bin1011011010111001001100
312122002122021
423122321030
51231244430
6144055524
734306051
oct13327114
95562567
102993740
111765272
1210045a4
1380a859
1457d028
153e207a
hex2dae4c

2993740 has 24 divisors (see below), whose sum is σ = 6329232. Its totient is φ = 1189440.

The previous prime is 2993723. The next prime is 2993791. The reversal of 2993740 is 473992.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2993696 and 2993705.

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, 3207 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (263718).

22993740 is an apocalyptic number.

2993740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2993740 is an abundant number, since it is smaller than the sum of its proper divisors (3335492).

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

2993740 is a wasteful number, since it uses less digits than its factorization.

2993740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2993740 is about 1730.2427575343. The cubic root of 2993740 is about 144.1245707039.

It can be divided in two parts, 299 and 3740, that multiplied together give a triangular number (1118260 = T1495).

The spelling of 2993740 in words is "two million, nine hundred ninety-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 181 362 724 827 905 1654 1810 3308 3620 4135 8270 16540 149687 299374 598748 748435 1496870 2993740