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385102962 = 23221394609
BaseRepresentation
bin10110111101000…
…011010001110010
3222211122020221200
4112331003101302
51242041243322
6102114032030
712354215106
oct2675032162
9884566850
10385102962
11188420612
12a8b78616
1361a26a9a
1439207906
1523c1e8ac
hex16f43472

385102962 has 12 divisors (see below), whose sum is σ = 834389790. Its totient is φ = 128367648.

The previous prime is 385102933. The next prime is 385102967. The reversal of 385102962 is 269201583.

It can be written as a sum of positive squares in only one way, i.e., 383415561 + 1687401 = 19581^2 + 1299^2 .

It is not an unprimeable number, because it can be changed into a prime (385102967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10697287 + ... + 10697322.

Almost surely, 2385102962 is an apocalyptic number.

385102962 is an abundant number, since it is smaller than the sum of its proper divisors (449286828).

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

385102962 is a wasteful number, since it uses less digits than its factorization.

385102962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394617 (or 21394614 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 385102962 is about 19624.0404096608. The cubic root of 385102962 is about 727.5434798826.

The spelling of 385102962 in words is "three hundred eighty-five million, one hundred two thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 21394609 42789218 64183827 128367654 192551481 385102962