Search a number
-
+
372428 = 22747283
BaseRepresentation
bin1011010111011001100
3200220212122
41122323030
543404203
611552112
73110540
oct1327314
9626778
10372428
112348a1
1215b638
13100694
1499a20
1575538
hex5aecc

372428 has 24 divisors (see below), whose sum is σ = 763392. Its totient is φ = 155664.

The previous prime is 372413. The next prime is 372443. The reversal of 372428 is 824273.

It is an interprime number because it is at equal distance from previous prime (372413) and next prime (372443).

It is a junction number, because it is equal to n+sod(n) for n = 372397 and 372406.

It is an unprimeable number.

372428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (31808).

2372428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381696).

372428 is an abundant number, since it is smaller than the sum of its proper divisors (390964).

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

372428 is a wasteful number, since it uses less digits than its factorization.

372428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 372428 is about 610.2687932379. The cubic root of 372428 is about 71.9472350033.

The spelling of 372428 in words is "three hundred seventy-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 283 329 566 658 1132 1316 1981 3962 7924 13301 26602 53204 93107 186214 372428