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150649720 = 235132811031
BaseRepresentation
bin10001111101010…
…11101101111000
3101111110210120021
420332223231320
5302031242340
622540540224
73506334004
oct1076535570
9344423507
10150649720
1178046401
1242551674
1325298860
1416017704
15d35be4a
hex8fabb78

150649720 has 64 divisors (see below), whose sum is σ = 366690240. Its totient is φ = 55372800.

The previous prime is 150649669. The next prime is 150649753. The reversal of 150649720 is 27946051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145605 + ... + 146635.

It is an arithmetic number, because the mean of its divisors is an integer number (5729535).

Almost surely, 2150649720 is an apocalyptic number.

150649720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150649720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183345120).

150649720 is an abundant number, since it is smaller than the sum of its proper divisors (216040520).

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

150649720 is a wasteful number, since it uses less digits than its factorization.

150649720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 150649720 is about 12273.9447611597. The cubic root of 150649720 is about 532.0953246564.

The spelling of 150649720 in words is "one hundred fifty million, six hundred forty-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 281 520 562 1031 1124 1405 2062 2248 2810 3653 4124 5155 5620 7306 8248 10310 11240 13403 14612 18265 20620 26806 29224 36530 41240 53612 67015 73060 107224 134030 146120 268060 289711 536120 579422 1158844 1448555 2317688 2897110 3766243 5794220 7532486 11588440 15064972 18831215 30129944 37662430 75324860 150649720