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13474740 = 2235224579
BaseRepresentation
bin110011011001…
…101110110100
3221100120212110
4303121232310
511422142430
61200451020
7222350646
oct63315664
927316773
1013474740
117673854
124619a70
132a3a326
141b0a896
1512b27b0
hexcd9bb4

13474740 has 24 divisors (see below), whose sum is σ = 37729440. Its totient is φ = 3593248.

The previous prime is 13474733. The next prime is 13474753. The reversal of 13474740 is 4747431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13474698 and 13474707.

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, 112230 + ... + 112349.

It is an arithmetic number, because the mean of its divisors is an integer number (1572060).

Almost surely, 213474740 is an apocalyptic number.

13474740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13474740 is an abundant number, since it is smaller than the sum of its proper divisors (24254700).

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

13474740 is a wasteful number, since it uses less digits than its factorization.

13474740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224591 (or 224589 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 13474740 is about 3670.7955541000. The cubic root of 13474740 is about 237.9615548852.

The spelling of 13474740 in words is "thirteen million, four hundred seventy-four thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 224579 449158 673737 898316 1122895 1347474 2245790 2694948 3368685 4491580 6737370 13474740