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1950028500 = 223537243617
BaseRepresentation
bin111010000111011…
…0001001011010100
312000220022201012210
41310032301023110
512443201403000
6521255513420
766215653200
oct16416611324
95026281183
101950028500
11910816302
12465088870
13250ccbc24
14146dabb00
15b62e1350
hex743b12d4

1950028500 has 288 divisors, whose sum is σ = 6770155392. Its totient is φ = 434649600.

The previous prime is 1950028471. The next prime is 1950028567. The reversal of 1950028500 is 58200591.

It is a super-2 number, since 2×19500285002 = 7605222301624500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3160192 + ... + 3160808.

It is an arithmetic number, because the mean of its divisors is an integer number (23507484).

Almost surely, 21950028500 is an apocalyptic number.

1950028500 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 1950028500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3385077696).

1950028500 is an abundant number, since it is smaller than the sum of its proper divisors (4820126892).

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

1950028500 is a wasteful number, since it uses less digits than its factorization.

1950028500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1950028500 is about 44159.1270294149. The cubic root of 1950028500 is about 1249.3390639257.

The spelling of 1950028500 in words is "one billion, nine hundred fifty million, twenty-eight thousand, five hundred".