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553140 = 223257439
BaseRepresentation
bin10000111000010110100
31001002202200
42013002310
5120200030
615504500
74462440
oct2070264
91032680
10553140
11348645
12228130
13164a03
14105820
15add60
hex870b4

553140 has 72 divisors (see below), whose sum is σ = 1921920. Its totient is φ = 126144.

The previous prime is 553139. The next prime is 553141. The reversal of 553140 is 41355.

553140 = T160 + T161 + ... + T194.

It is an interprime number because it is at equal distance from previous prime (553139) and next prime (553141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553140.

It is not an unprimeable number, because it can be changed into a prime (553141) 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, 1041 + ... + 1479.

2553140 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 553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960960).

553140 is an abundant number, since it is smaller than the sum of its proper divisors (1368780).

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

553140 is a wasteful number, since it uses less digits than its factorization.

553140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 553140 is about 743.7338233535. The cubic root of 553140 is about 82.0877505990.

Adding to 553140 its reverse (41355), we get a palindrome (594495).

The spelling of 553140 in words is "five hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 439 630 878 1260 1317 1756 2195 2634 3073 3951 4390 5268 6146 6585 7902 8780 9219 12292 13170 15365 15804 18438 19755 26340 27657 30730 36876 39510 46095 55314 61460 79020 92190 110628 138285 184380 276570 553140