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2154352552 = 2311107228797
BaseRepresentation
bin1000000001101000…
…1100111110101000
312120010210110010021
42000122030332220
513403003240202
6553435130224
7104246460142
oct20032147650
95503713107
102154352552
11a06091a60
125015a3974
1328443b431
14166197c92
15c9201a37
hex8068cfa8

2154352552 has 32 divisors (see below), whose sum is σ = 4447833120. Its totient is φ = 970095040.

The previous prime is 2154352507. The next prime is 2154352553. The reversal of 2154352552 is 2552534512.

It is not an unprimeable number, because it can be changed into a prime (2154352553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104983 + ... + 123814.

It is an arithmetic number, because the mean of its divisors is an integer number (138994785).

Almost surely, 22154352552 is an apocalyptic number.

2154352552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154352552 is an abundant number, since it is smaller than the sum of its proper divisors (2293480568).

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

2154352552 is a wasteful number, since it uses less digits than its factorization.

2154352552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228921 (or 228917 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 2154352552 is about 46415.0035225680. The cubic root of 2154352552 is about 1291.5332513208.

The spelling of 2154352552 in words is "two billion, one hundred fifty-four million, three hundred fifty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 107 214 428 856 1177 2354 4708 9416 228797 457594 915188 1830376 2516767 5033534 10067068 20134136 24481279 48962558 97925116 195850232 269294069 538588138 1077176276 2154352552