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385700072 = 2361790369
BaseRepresentation
bin10110111111010…
…101000011101000
3222212202121000212
4112333111003220
51242214400242
6102134520252
712362253002
oct2677250350
9885677025
10385700072
1118879919a
12a9206088
1361ba57c4
1439321372
1523cdb782
hex16fd50e8

385700072 has 16 divisors (see below), whose sum is σ = 735044100. Its totient is φ = 189688320.

The previous prime is 385700069. The next prime is 385700089. The reversal of 385700072 is 270007583.

It can be written as a sum of positive squares in 2 ways, for example, as 385493956 + 206116 = 19634^2 + 454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394697 + ... + 395672.

Almost surely, 2385700072 is an apocalyptic number.

It is an amenable number.

385700072 is a deficient number, since it is larger than the sum of its proper divisors (349344028).

385700072 is a wasteful number, since it uses less digits than its factorization.

385700072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790436 (or 790432 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 385700072 is about 19639.2482544521. The cubic root of 385700072 is about 727.9193093757.

The spelling of 385700072 in words is "three hundred eighty-five million, seven hundred thousand, seventy-two".

Divisors: 1 2 4 8 61 122 244 488 790369 1580738 3161476 6322952 48212509 96425018 192850036 385700072