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150631040 = 275733623
BaseRepresentation
bin10001111101001…
…11001010000000
3101111102211221102
420332213022000
5302030143130
622540313532
73506225360
oct1076471200
9344384842
10150631040
117803336a
12425428a8
13252901c1
14160109a0
15d356645
hex8fa7280

150631040 has 64 divisors (see below), whose sum is σ = 411557760. Its totient is φ = 51643392.

The previous prime is 150631003. The next prime is 150631049. The reversal of 150631040 is 40136051.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1506310402 = 45379420422963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (150631049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12332 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (6430590).

Almost surely, 2150631040 is an apocalyptic number.

150631040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150631040 is an abundant number, since it is smaller than the sum of its proper divisors (260926720).

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

150631040 is an equidigital number, since it uses as much as digits as its factorization.

150631040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33649 (or 33637 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 150631040 is about 12273.1837760216. The cubic root of 150631040 is about 532.0733311394.

Adding to 150631040 its reverse (40136051), we get a palindrome (190767091).

The spelling of 150631040 in words is "one hundred fifty million, six hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 33623 67246 134492 168115 235361 268984 336230 470722 537968 672460 941444 1075936 1176805 1344920 1882888 2151872 2353610 2689840 3765776 4303744 4707220 5379680 7531552 9414440 10759360 15063104 18828880 21518720 30126208 37657760 75315520 150631040