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381974098 = 21140942451
BaseRepresentation
bin10110110001000…
…111011001010010
3222121202021221211
4112301013121102
51240241132343
6101523010334
712315504052
oct2661073122
9877667854
10381974098
11186683880
12a7b099aa
136119c89c
1438a31562
152380279d
hex16c47652

381974098 has 16 divisors (see below), whose sum is σ = 626591520. Its totient is φ = 173196000.

The previous prime is 381974093. The next prime is 381974111. The reversal of 381974098 is 890479183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (381974093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12228 + ... + 30223.

It is an arithmetic number, because the mean of its divisors is an integer number (39161970).

Almost surely, 2381974098 is an apocalyptic number.

381974098 is a deficient number, since it is larger than the sum of its proper divisors (244617422).

381974098 is a wasteful number, since it uses less digits than its factorization.

381974098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42873.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 381974098 is about 19544.1576436540. The cubic root of 381974098 is about 725.5677505990.

It can be divided in two parts, 381 and 974098, that added together give a palindrome (974479).

The spelling of 381974098 in words is "three hundred eighty-one million, nine hundred seventy-four thousand, ninety-eight".

Divisors: 1 2 11 22 409 818 4499 8998 42451 84902 466961 933922 17362459 34724918 190987049 381974098