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2941428 = 223719297
BaseRepresentation
bin1011001110000111110100
312112102212210
423032013310
51223111203
6143013420
734000410
oct13160764
95472783
102941428
111729a36
12b9a270
137bcab9
14567d40
153d1803
hex2ce1f4

2941428 has 72 divisors (see below), whose sum is σ = 8363712. Its totient is φ = 787968.

The previous prime is 2941403. The next prime is 2941451. The reversal of 2941428 is 8241492.

Its product of digits (4608) is a multiple of the sum of its prime divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 2941395 and 2941404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30276 + ... + 30372.

22941428 is an apocalyptic number.

2941428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2941428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4181856).

2941428 is an abundant number, since it is smaller than the sum of its proper divisors (5422284).

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

2941428 is a wasteful number, since it uses less digits than its factorization.

2941428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 128 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 2941428 is about 1715.0591826523. The cubic root of 2941428 is about 143.2801653654.

The spelling of 2941428 in words is "two million, nine hundred forty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 97 114 133 194 228 266 291 361 388 399 532 582 679 722 798 1083 1164 1358 1444 1596 1843 2037 2166 2527 2716 3686 4074 4332 5054 5529 7372 7581 8148 10108 11058 12901 15162 22116 25802 30324 35017 38703 51604 70034 77406 105051 140068 154812 210102 245119 420204 490238 735357 980476 1470714 2941428