Search a number
-
+
151866940 = 2257593347
BaseRepresentation
bin10010000110101…
…00111000111100
3101120202122021111
421003110320330
5302334220230
623023011404
73522563521
oct1103247074
9346678244
10151866940
11787a7975
1242a39b64
13256038c4
1416253148
15d4ec92a
hex90d4e3c

151866940 has 12 divisors (see below), whose sum is σ = 318920616. Its totient is φ = 60746768.

The previous prime is 151866931. The next prime is 151866973. The reversal of 151866940 is 49668151.

It is a junction number, because it is equal to n+sod(n) for n = 151866893 and 151866902.

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, 3796654 + ... + 3796693.

It is an arithmetic number, because the mean of its divisors is an integer number (26576718).

Almost surely, 2151866940 is an apocalyptic number.

151866940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151866940 is an abundant number, since it is smaller than the sum of its proper divisors (167053676).

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

151866940 is a wasteful number, since it uses less digits than its factorization.

151866940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593356 (or 7593354 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 151866940 is about 12323.4305288747. The cubic root of 151866940 is about 533.5245572975.

The spelling of 151866940 in words is "one hundred fifty-one million, eight hundred sixty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 7593347 15186694 30373388 37966735 75933470 151866940