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1950740628 = 223307529517
BaseRepresentation
bin111010001000101…
…1111000010010100
312000221122220001220
41310101133002110
512443342200003
6521323050340
766225010314
oct16421370224
95027586056
101950740628
11911162341
124653709b0
132511bb0c5
14147115444
15b63d2353
hex7445f094

1950740628 has 24 divisors (see below), whose sum is σ = 4566563232. Its totient is φ = 648127584.

The previous prime is 1950740609. The next prime is 1950740639. The reversal of 1950740628 is 8260470591.

It is a self number, because there is not a number n which added to its sum of digits gives 1950740628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261075 + ... + 268442.

It is an arithmetic number, because the mean of its divisors is an integer number (190273468).

Almost surely, 21950740628 is an apocalyptic number.

It is an amenable number.

1950740628 is an abundant number, since it is smaller than the sum of its proper divisors (2615822604).

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

1950740628 is a wasteful number, since it uses less digits than its factorization.

1950740628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529831 (or 529829 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1950740628 is about 44167.1894962765. The cubic root of 1950740628 is about 1249.4911268399.

The spelling of 1950740628 in words is "one billion, nine hundred fifty million, seven hundred forty thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 307 614 921 1228 1842 3684 529517 1059034 1588551 2118068 3177102 6354204 162561719 325123438 487685157 650246876 975370314 1950740628