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3172220552 = 23199132
BaseRepresentation
bin1011110100010100…
…0011111010001000
322012002002111112002
42331011003322020
522444042024202
61242435410132
7141416300264
oct27505037210
98162074462
103172220552
1113886aa286
12746453948
133b72934a7
142214370a4
15138762302
hexbd143e88

3172220552 has 12 divisors (see below), whose sum is σ = 5948212245. Its totient is φ = 1586030624.

The previous prime is 3172220551. The next prime is 3172220561. The reversal of 3172220552 is 2550222713.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2056259716 + 1115960836 = 45346^2 + 33406^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=39826.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172220551) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 149348 + ... + 169260.

Almost surely, 23172220552 is an apocalyptic number.

It is an amenable number.

3172220552 is a deficient number, since it is larger than the sum of its proper divisors (2775991693).

3172220552 is an frugal number, since it uses more digits than its factorization.

3172220552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39832 (or 19915 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 3172220552 is about 56322.4693350709. The cubic root of 3172220552 is about 1469.3360186420.

The spelling of 3172220552 in words is "three billion, one hundred seventy-two million, two hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 19913 39826 79652 159304 396527569 793055138 1586110276 3172220552