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2031204308 = 22772543011
BaseRepresentation
bin111100100010001…
…1011011111010100
312020120001212111012
41321010123133110
513124442014213
6533315431352
7101222644310
oct17104333724
95216055435
102031204308
1195261a951
124882b5558
13264a81553
14153a9cb40
15bd4c84a8
hex7911b7d4

2031204308 has 12 divisors (see below), whose sum is σ = 4062408672. Its totient is φ = 870516120.

The previous prime is 2031204293. The next prime is 2031204323. The reversal of 2031204308 is 8034021302.

It is an interprime number because it is at equal distance from previous prime (2031204293) and next prime (2031204323).

2031204308 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36271478 + ... + 36271533.

It is an arithmetic number, because the mean of its divisors is an integer number (338534056).

Almost surely, 22031204308 is an apocalyptic number.

2031204308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2031204308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2031204308 is a wasteful number, since it uses less digits than its factorization.

2031204308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72543022 (or 72543020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2031204308 is about 45068.8840332219. The cubic root of 2031204308 is about 1266.4397586467.

The spelling of 2031204308 in words is "two billion, thirty-one million, two hundred four thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 72543011 145086022 290172044 507801077 1015602154 2031204308