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3689130 = 235122971
BaseRepresentation
bin1110000100101010101010
320221102112110
432010222222
51421023010
6211023150
743233324
oct16045252
96842473
103689130
11209a775
12129aab6
139c2223
146c0614
154cd120
hex384aaa

3689130 has 16 divisors (see below), whose sum is σ = 8853984. Its totient is φ = 983760.

The previous prime is 3689129. The next prime is 3689137. The reversal of 3689130 is 319863.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 122971 = 3689130 / (3 + 6 + 8 + 9 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (3689137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61456 + ... + 61515.

It is an arithmetic number, because the mean of its divisors is an integer number (553374).

Almost surely, 23689130 is an apocalyptic number.

3689130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3689130 is an abundant number, since it is smaller than the sum of its proper divisors (5164854).

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

3689130 is a wasteful number, since it uses less digits than its factorization.

3689130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122981.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3689130 is about 1920.7108059258. The cubic root of 3689130 is about 154.5164256057.

The spelling of 3689130 in words is "three million, six hundred eighty-nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 122971 245942 368913 614855 737826 1229710 1844565 3689130