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70671950 = 2521413439
BaseRepresentation
bin1000011011001…
…01111001001110
311220222111200122
410031211321032
5121043000300
611002424542
71515462446
oct415457116
9156874618
1070671950
113698a978
121b802152
131184562b
149559126
15630ec85
hex4365e4e

70671950 has 12 divisors (see below), whose sum is σ = 131449920. Its totient is φ = 28268760.

The previous prime is 70671943. The next prime is 70671983. The reversal of 70671950 is 5917607.

It is a self number, because there is not a number n which added to its sum of digits gives 70671950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706670 + ... + 706769.

It is an arithmetic number, because the mean of its divisors is an integer number (10954160).

Almost surely, 270671950 is an apocalyptic number.

70671950 is a deficient number, since it is larger than the sum of its proper divisors (60777970).

70671950 is a wasteful number, since it uses less digits than its factorization.

70671950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413451 (or 1413446 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 70671950 is about 8406.6610494298. The cubic root of 70671950 is about 413.4430459425.

The spelling of 70671950 in words is "seventy million, six hundred seventy-one thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 1413439 2826878 7067195 14134390 35335975 70671950