Search a number
-
+
3728950 = 2521741107
BaseRepresentation
bin1110001110011000110110
321000110011021
432032120312
51423311300
6211531354
743460401
oct16163066
97013137
103728950
112117685
1212b9b5a
13a073a4
146d0d38
154d9d1a
hex38e636

3728950 has 48 divisors (see below), whose sum is σ = 7593264. Its totient is φ = 1356800.

The previous prime is 3728947. The next prime is 3728957. The reversal of 3728950 is 598273.

3728950 = 2452 + 2462 + ... + 2952.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34797 + ... + 34903.

It is an arithmetic number, because the mean of its divisors is an integer number (158193).

Almost surely, 23728950 is an apocalyptic number.

3728950 is an abundant number, since it is smaller than the sum of its proper divisors (3864314).

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

3728950 is a wasteful number, since it uses less digits than its factorization.

3728950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3728950 is about 1931.0489377538. The cubic root of 3728950 is about 155.0703808019.

The spelling of 3728950 in words is "three million, seven hundred twenty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 17 25 34 41 50 82 85 107 170 205 214 410 425 535 697 850 1025 1070 1394 1819 2050 2675 3485 3638 4387 5350 6970 8774 9095 17425 18190 21935 34850 43870 45475 74579 90950 109675 149158 219350 372895 745790 1864475 3728950