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5451420 = 22351329241
BaseRepresentation
bin10100110010111010011100
3101020221221110
4110302322130
52343421140
6312502020
764223232
oct24627234
911227843
105451420
113093807
1219aa910
13118b3c0
14a1c952
1572a380
hex532e9c

5451420 has 96 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 1290240.

The previous prime is 5451371. The next prime is 5451431. The reversal of 5451420 is 241545.

5451420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22500 + ... + 22740.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

Almost surely, 25451420 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 5451420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8537760).

5451420 is an abundant number, since it is smaller than the sum of its proper divisors (11624100).

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

5451420 is a wasteful number, since it uses less digits than its factorization.

5451420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5451420 is about 2334.8276167632. The cubic root of 5451420 is about 175.9961689937.

Adding to 5451420 its reverse (241545), we get a palindrome (5692965).

The spelling of 5451420 in words is "five million, four hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 29 30 39 52 58 60 65 78 87 116 130 145 156 174 195 241 260 290 348 377 390 435 482 580 723 754 780 870 964 1131 1205 1446 1508 1740 1885 2262 2410 2892 3133 3615 3770 4524 4820 5655 6266 6989 7230 7540 9399 11310 12532 13978 14460 15665 18798 20967 22620 27956 31330 34945 37596 41934 46995 62660 69890 83868 90857 93990 104835 139780 181714 187980 209670 272571 363428 419340 454285 545142 908570 1090284 1362855 1817140 2725710 5451420