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70497901 = 416012861
BaseRepresentation
bin1000011001110…
…11011001101101
311220122122221101
410030323121231
5121021413101
610555003101
71514136145
oct414733155
9156578841
1070497901
1136881131
121b739491
13117b4346
149511925
1562c8401
hex433b66d

70497901 has 8 divisors (see below), whose sum is σ = 72362808. Its totient is φ = 68640000.

The previous prime is 70497887. The next prime is 70497919. The reversal of 70497901 is 10979407.

It can be written as a sum of positive squares in 4 ways, for example, as 7295401 + 63202500 = 2701^2 + 7950^2 .

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 70497901 - 215 = 70465133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70497991) 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, 23211 + ... + 26071.

It is an arithmetic number, because the mean of its divisors is an integer number (9045351).

Almost surely, 270497901 is an apocalyptic number.

It is an amenable number.

70497901 is a deficient number, since it is larger than the sum of its proper divisors (1864907).

70497901 is a wasteful number, since it uses less digits than its factorization.

70497901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 70497901 is about 8396.3028173119. The cubic root of 70497901 is about 413.1033614196.

The spelling of 70497901 in words is "seventy million, four hundred ninety-seven thousand, nine hundred one".

Divisors: 1 41 601 2861 24641 117301 1719461 70497901