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1020947050 = 25220418941
BaseRepresentation
bin111100110110100…
…110101001101010
32122011002111001201
4330312212221222
54042330301200
6245150234414
734204623004
oct7466465152
92564074051
101020947050
114843306a2
12245ab5a0a
131336926a6
1499841374
155e96cc6a
hex3cda6a6a

1020947050 has 12 divisors (see below), whose sum is σ = 1898961606. Its totient is φ = 408378800.

The previous prime is 1020946999. The next prime is 1020947063. The reversal of 1020947050 is 507490201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 479128321 + 541818729 = 21889^2 + 23277^2 .

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 5 ways as a sum of consecutive naturals, for example, 10209421 + ... + 10209520.

Almost surely, 21020947050 is an apocalyptic number.

1020947050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020947050 is a deficient number, since it is larger than the sum of its proper divisors (878014556).

1020947050 is a wasteful number, since it uses less digits than its factorization.

1020947050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418953 (or 20418948 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1020947050 is about 31952.2620482494. The cubic root of 1020947050 is about 1006.9341563386.

The spelling of 1020947050 in words is "one billion, twenty million, nine hundred forty-seven thousand, fifty".

Divisors: 1 2 5 10 25 50 20418941 40837882 102094705 204189410 510473525 1020947050