Search a number
-
+
3952380 = 2235193467
BaseRepresentation
bin1111000100111011111100
321102210122110
433010323330
52002434010
6220414020
745410655
oct17047374
97383573
103952380
11225a533
1213a7310
13a84cb3
1474c52c
15531120
hex3c4efc

3952380 has 48 divisors (see below), whose sum is σ = 11652480. Its totient is φ = 998208.

The previous prime is 3952337. The next prime is 3952387. The reversal of 3952380 is 832593.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (242760).

Almost surely, 23952380 is an apocalyptic number.

3952380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3952380 is an abundant number, since it is smaller than the sum of its proper divisors (7700100).

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

3952380 is a wasteful number, since it uses less digits than its factorization.

3952380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3952380 is about 1988.0593552507. The cubic root of 3952380 is about 158.1076550936.

It can be divided in two parts, 395 and 2380, that added together give a triangular number (2775 = T74).

The spelling of 3952380 in words is "three million, nine hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 3467 6934 10401 13868 17335 20802 34670 41604 52005 65873 69340 104010 131746 197619 208020 263492 329365 395238 658730 790476 988095 1317460 1976190 3952380