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157122735 = 35711283149
BaseRepresentation
bin10010101110110…
…00000010101111
3101221122122212120
421113120002233
5310210411420
623331404023
73615343530
oct1127300257
9357578776
10157122735
1180767700
1244753613
1326723c43
1416c20687
15dbd9d40
hex95d80af

157122735 has 96 divisors (see below), whose sum is σ = 321753600. Its totient is φ = 64078080.

The previous prime is 157122733. The next prime is 157122743. The reversal of 157122735 is 537221751.

It is a happy number.

157122735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157122735 - 21 = 157122733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 157122696 and 157122705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157122733) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1054441 + ... + 1054589.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2157122735 is an apocalyptic number.

157122735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157122735 is an abundant number, since it is smaller than the sum of its proper divisors (164630865).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157122735 is a wasteful number, since it uses less digits than its factorization.

157122735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 258 counting only the distinct ones).

The product of its digits is 14700, while the sum is 33.

The square root of 157122735 is about 12534.8607890156. The cubic root of 157122735 is about 539.6096115299.

The spelling of 157122735 in words is "one hundred fifty-seven million, one hundred twenty-two thousand, seven hundred thirty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 83 105 121 149 165 231 249 363 385 415 447 581 605 745 847 913 1043 1155 1245 1639 1743 1815 2235 2541 2739 2905 3129 4235 4565 4917 5215 6391 8195 8715 10043 11473 12367 12705 13695 15645 18029 19173 24585 30129 31955 34419 37101 50215 54087 57365 61835 70301 86569 90145 95865 126203 136037 150645 172095 185505 210903 259707 270435 351505 378609 408111 432845 631015 680185 952259 1054515 1298535 1496407 1893045 2040555 2856777 4489221 4761295 7482035 10474849 14283885 22446105 31424547 52374245 157122735