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1948997252 = 221417734369
BaseRepresentation
bin111010000101011…
…0101011010000100
312000211101022121102
41310022311122010
512442420403002
6521221435232
766204126506
oct16412653204
95024338542
101948997252
11910181534
1246486bb18
13250a2a717
14146bbdd76
15b618aa02
hex742b5684

1948997252 has 12 divisors (see below), whose sum is σ = 3411085020. Its totient is φ = 974401536.

The previous prime is 1948997251. The next prime is 1948997263. The reversal of 1948997252 is 2527998491.

It can be written as a sum of positive squares in 2 ways, for example, as 1930196356 + 18800896 = 43934^2 + 4336^2 .

It is not an unprimeable number, because it can be changed into a prime (1948997251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39524 + ... + 73892.

It is an arithmetic number, because the mean of its divisors is an integer number (284257085).

Almost surely, 21948997252 is an apocalyptic number.

It is an amenable number.

1948997252 is a deficient number, since it is larger than the sum of its proper divisors (1462087768).

1948997252 is a wasteful number, since it uses less digits than its factorization.

1948997252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550 (or 48548 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 56.

The square root of 1948997252 is about 44147.4489863231. The cubic root of 1948997252 is about 1249.1187926849.

The spelling of 1948997252 in words is "one billion, nine hundred forty-eight million, nine hundred ninety-seven thousand, two hundred fifty-two".

Divisors: 1 2 4 14177 28354 34369 56708 68738 137476 487249313 974498626 1948997252