Search a number
-
+
149916357 = 3216657373
BaseRepresentation
bin10001110111110…
…00101011000101
3101110002112120200
420323320223011
5301334310412
622513121113
73500160633
oct1073705305
9343075520
10149916357
1177695418
1242259199
132509cb06
1415ca6353
15d2649dc
hex8ef8ac5

149916357 has 6 divisors (see below), whose sum is σ = 216545862. Its totient is φ = 99944232.

The previous prime is 149916329. The next prime is 149916359. The reversal of 149916357 is 753619941.

149916357 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 1 + 635 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 50893956 = 9951^2 + 7134^2 .

It is not a de Polignac number, because 149916357 - 26 = 149916293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149916359) 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, 8328678 + ... + 8328695.

It is an arithmetic number, because the mean of its divisors is an integer number (36090977).

Almost surely, 2149916357 is an apocalyptic number.

It is an amenable number.

149916357 is a deficient number, since it is larger than the sum of its proper divisors (66629505).

149916357 is a wasteful number, since it uses less digits than its factorization.

149916357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16657379 (or 16657376 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 149916357 is about 12244.0335265794. The cubic root of 149916357 is about 531.2305062836.

The spelling of 149916357 in words is "one hundred forty-nine million, nine hundred sixteen thousand, three hundred fifty-seven".

Divisors: 1 3 9 16657373 49972119 149916357