Search a number
-
+
168472468 = 22192216743
BaseRepresentation
bin10100000101010…
…10111110010100
3102202000021210001
422002222332110
5321112104333
624414541044
74113664243
oct1202527624
9382007701
10168472468
118710994a
1248507784
1328b98c68
141853695a
15ebccb7d
hexa0aaf94

168472468 has 12 divisors (see below), whose sum is σ = 310344160. Its totient is φ = 79802712.

The previous prime is 168472459. The next prime is 168472481. The reversal of 168472468 is 864274861.

It is a super-2 number, since 2×1684724682 = 56765944948022048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108296 + ... + 1108447.

Almost surely, 2168472468 is an apocalyptic number.

It is an amenable number.

168472468 is a deficient number, since it is larger than the sum of its proper divisors (141871692).

168472468 is a wasteful number, since it uses less digits than its factorization.

168472468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216766 (or 2216764 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 168472468 is about 12979.6944494083. The cubic root of 168472468 is about 552.3016143801.

The spelling of 168472468 in words is "one hundred sixty-eight million, four hundred seventy-two thousand, four hundred sixty-eight".

Divisors: 1 2 4 19 38 76 2216743 4433486 8866972 42118117 84236234 168472468