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554530140 = 2232517181219
BaseRepresentation
bin100001000011010…
…111010101011100
31102122110001100100
4201003113111130
52113424431030
6131005301100
716512266643
oct4103272534
91378401310
10554530140
1126502177a
12135864790
138ab68458
145390c35a
1533a3a360
hex210d755c

554530140 has 72 divisors (see below), whose sum is σ = 1781030160. Its totient is φ = 139175424.

The previous prime is 554530127. The next prime is 554530147. The reversal of 554530140 is 41035455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554530147) 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, 87550 + ... + 93669.

It is an arithmetic number, because the mean of its divisors is an integer number (24736530).

Almost surely, 2554530140 is an apocalyptic number.

It is an amenable number.

554530140 is an abundant number, since it is smaller than the sum of its proper divisors (1226500020).

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

554530140 is a wasteful number, since it uses less digits than its factorization.

554530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181251 (or 181246 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 554530140 is about 23548.4636441531. The cubic root of 554530140 is about 821.5646014993.

Adding to 554530140 its reverse (41035455), we get a palindrome (595565595).

The spelling of 554530140 in words is "five hundred fifty-four million, five hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 181219 362438 543657 724876 906095 1087314 1630971 1812190 2174628 2718285 3080723 3261942 3624380 5436570 6161446 6523884 8154855 9242169 10873140 12322892 15403615 16309710 18484338 27726507 30807230 32619420 36968676 46210845 55453014 61614460 92421690 110906028 138632535 184843380 277265070 554530140