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241972813 = 7916718341
BaseRepresentation
bin11100110110000…
…11011001001101
3121212022111022001
432123003121031
5443421112223
640002152301
75665510045
oct1633033115
9555274261
10241972813
11114650835
1269052691
133b191aa4
14241ca725
151639a9ad
hexe6c364d

241972813 has 8 divisors (see below), whose sum is σ = 246516480. Its totient is φ = 237466320.

The previous prime is 241972807. The next prime is 241972823. The reversal of 241972813 is 318279142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 241972813 - 217 = 241841741 is a prime.

It is a super-2 number, since 2×2419728132 = 117101684462265938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241972823) 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, 4023 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (30814560).

Almost surely, 2241972813 is an apocalyptic number.

It is an amenable number.

241972813 is a deficient number, since it is larger than the sum of its proper divisors (4543667).

241972813 is a wasteful number, since it uses less digits than its factorization.

241972813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587.

The product of its digits is 24192, while the sum is 37.

The square root of 241972813 is about 15555.4753382852. The cubic root of 241972813 is about 623.1446313818.

The spelling of 241972813 in words is "two hundred forty-one million, nine hundred seventy-two thousand, eight hundred thirteen".

Divisors: 1 79 167 13193 18341 1448939 3062947 241972813