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298274240 = 2651184737
BaseRepresentation
bin10001110001110…
…100110111000000
3202210020220100002
4101301310313000
51102324233430
645333015132
710251201125
oct2161646700
9683226302
10298274240
11143405940
1283a844a8
1349a45444
142b88474c
151b2bc845
hex11c74dc0

298274240 has 56 divisors (see below), whose sum is σ = 774844272. Its totient is φ = 108462080.

The previous prime is 298274233. The next prime is 298274257. The reversal of 298274240 is 42472892.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 298274194 and 298274203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38849 + ... + 45888.

Almost surely, 2298274240 is an apocalyptic number.

298274240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298274240 is an abundant number, since it is smaller than the sum of its proper divisors (476570032).

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

298274240 is a wasteful number, since it uses less digits than its factorization.

298274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84765 (or 84755 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 298274240 is about 17270.6178233438. The cubic root of 298274240 is about 668.1468356619.

The spelling of 298274240 in words is "two hundred ninety-eight million, two hundred seventy-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 320 352 440 704 880 1760 3520 84737 169474 338948 423685 677896 847370 932107 1355792 1694740 1864214 2711584 3389480 3728428 4660535 5423168 6778960 7456856 9321070 13557920 14913712 18642140 27115840 29827424 37284280 59654848 74568560 149137120 298274240