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3497740 = 22547612
BaseRepresentation
bin1101010101111100001100
320120200222221
431111330030
51343411430
6202545124
741505331
oct15257414
96520887
103497740
111a799a4
1212081a4
1395608c
14670988
1549157a
hex355f0c

3497740 has 36 divisors (see below), whose sum is σ = 7626528. Its totient is φ = 1346880.

The previous prime is 3497717. The next prime is 3497743. The reversal of 3497740 is 477943.

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

It is a junction number, because it is equal to n+sod(n) for n = 3497696 and 3497705.

It is not an unprimeable number, because it can be changed into a prime (3497743) 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, 57310 + ... + 57370.

It is an arithmetic number, because the mean of its divisors is an integer number (211848).

Almost surely, 23497740 is an apocalyptic number.

It is an amenable number.

3497740 is an abundant number, since it is smaller than the sum of its proper divisors (4128788).

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

3497740 is a wasteful number, since it uses less digits than its factorization.

3497740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 3497740 is about 1870.2245854442. The cubic root of 3497740 is about 151.7967620761.

The spelling of 3497740 in words is "three million, four hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 47 61 94 122 188 235 244 305 470 610 940 1220 2867 3721 5734 7442 11468 14335 14884 18605 28670 37210 57340 74420 174887 349774 699548 874435 1748870 3497740