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70449907 = 1148713151
BaseRepresentation
bin1000011001011…
…11101011110011
311220120020002211
410030233223303
5121013344112
610553552551
71513546213
oct414575363
9156506084
1070449907
1136849070
121b715757
1311798548
1494dc243
1562b90a7
hex432faf3

70449907 has 8 divisors (see below), whose sum is σ = 77018112. Its totient is φ = 63909000.

The previous prime is 70449901. The next prime is 70449913. The reversal of 70449907 is 70994407.

It is an interprime number because it is at equal distance from previous prime (70449901) and next prime (70449913).

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 70449907 - 27 = 70449779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70449907.

It is not an unprimeable number, because it can be changed into a prime (70449901) 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, 1219 + ... + 11932.

It is an arithmetic number, because the mean of its divisors is an integer number (9627264).

Almost surely, 270449907 is an apocalyptic number.

70449907 is a deficient number, since it is larger than the sum of its proper divisors (6568205).

70449907 is a wasteful number, since it uses less digits than its factorization.

70449907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70449907 is about 8393.4442870612. Note that the first 3 decimals coincide. The cubic root of 70449907 is about 413.0095951119.

The spelling of 70449907 in words is "seventy million, four hundred forty-nine thousand, nine hundred seven".

Divisors: 1 11 487 5357 13151 144661 6404537 70449907