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1616074952 = 236122332
BaseRepresentation
bin110000001010011…
…0101100011001000
311011121221010001212
41200110311203020
511302203344302
6424210032252
755022260532
oct14024654310
94147833055
101616074952
1175a261038
12391278688
131c9a7378b
141148ba852
1596d27052
hex605358c8

1616074952 has 36 divisors (see below), whose sum is σ = 3093907635. Its totient is φ = 791379840.

The previous prime is 1616074951. The next prime is 1616074987. The reversal of 1616074952 is 2594706161.

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 5 ways, for example, as 29964676 + 1586110276 = 5474^2 + 39826^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=28426.

It is a super-2 number, since 2×16160749522 = 5223396500963604608, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616074951) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6935828 + ... + 6936060.

Almost surely, 21616074952 is an apocalyptic number.

It is an amenable number.

1616074952 is a deficient number, since it is larger than the sum of its proper divisors (1477832683).

1616074952 is an frugal number, since it uses more digits than its factorization.

1616074952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1616074952 is about 40200.4347240176. The cubic root of 1616074952 is about 1173.5110040724.

The spelling of 1616074952 in words is "one billion, six hundred sixteen million, seventy-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 61 122 233 244 466 488 932 1864 3721 7442 14213 14884 28426 29768 54289 56852 108578 113704 217156 434312 866993 1733986 3311629 3467972 6623258 6935944 13246516 26493032 202009369 404018738 808037476 1616074952