Search a number
-
+
381960998 = 21719956453
BaseRepresentation
bin10110110001000…
…100001100100110
3222121201121222122
4112301010030212
51240240222443
6101522425542
712315420626
oct2661041446
9877647878
10381960998
11186674a51
12a7b022b2
1361196933
1438a2a886
15237ed968
hex16c44326

381960998 has 16 divisors (see below), whose sum is σ = 609703200. Its totient is φ = 178839936.

The previous prime is 381960989. The next prime is 381961067. The reversal of 381960998 is 899069183.

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, 21461 + ... + 34992.

It is an arithmetic number, because the mean of its divisors is an integer number (38106450).

Almost surely, 2381960998 is an apocalyptic number.

381960998 is a deficient number, since it is larger than the sum of its proper divisors (227742202).

381960998 is a wasteful number, since it uses less digits than its factorization.

381960998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56671.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 381960998 is about 19543.8225022640. The cubic root of 381960998 is about 725.5594559300.

The spelling of 381960998 in words is "three hundred eighty-one million, nine hundred sixty thousand, nine hundred ninety-eight".

Divisors: 1 2 17 34 199 398 3383 6766 56453 112906 959701 1919402 11234147 22468294 190980499 381960998