Search a number
-
+
90539942200 = 23522811611031
BaseRepresentation
bin101010001010010011…
…0011110000100111000
322122200212212121120121
41110110212132010320
52440411211122300
6105332105103024
76353443545031
oct1242446360470
9278625777517
1090539942200
1135441489714
1215669787a74
1386cb9507c6
14454c8cda88
15254d98481a
hex151499e138

90539942200 has 48 divisors (see below), whose sum is σ = 211254626160. Its totient is φ = 36087072000.

The previous prime is 90539942179. The next prime is 90539942243. The reversal of 90539942200 is 224993509.

It is a happy number.

It is a super-2 number, since 2×905399422002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749316 + ... + 861715.

It is an arithmetic number, because the mean of its divisors is an integer number (4401138045).

Almost surely, 290539942200 is an apocalyptic number.

It is an amenable number.

90539942200 is an abundant number, since it is smaller than the sum of its proper divisors (120714683960).

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

90539942200 is a wasteful number, since it uses less digits than its factorization.

90539942200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611328 (or 1611319 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 90539942200 in words is "ninety billion, five hundred thirty-nine million, nine hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 281 562 1124 1405 2248 2810 5620 7025 11240 14050 28100 56200 1611031 3222062 6444124 8055155 12888248 16110310 32220620 40275775 64441240 80551550 161103100 322206200 452699711 905399422 1810798844 2263498555 3621597688 4526997110 9053994220 11317492775 18107988440 22634985550 45269971100 90539942200